1.0.0[][src]Trait nom::lib::std::cmp::PartialOrd

#[lang = "partial_ord"]
pub trait PartialOrd<Rhs = Self>: PartialEq<Rhs> where
    Rhs: ?Sized
{
#[must_use]
fn partial_cmp(&self, other: &Rhs) -> Option<Ordering>;
#[must_use]
fn lt(&self, other: &Rhs) -> bool { ... }
#[must_use]
fn le(&self, other: &Rhs) -> bool { ... }
#[must_use]
fn gt(&self, other: &Rhs) -> bool { ... }
#[must_use]
fn ge(&self, other: &Rhs) -> bool { ... } }

Trait for values that can be compared for a sort-order.

The comparison must satisfy, for all a, b and c:

Note that these requirements mean that the trait itself must be implemented symmetrically and transitively: if T: PartialOrd<U> and U: PartialOrd<V> then U: PartialOrd<T> and T: PartialOrd<V>.

Derivable

This trait can be used with #[derive]. When derived on structs, it will produce a lexicographic ordering based on the top-to-bottom declaration order of the struct's members. When derived on enums, variants are ordered by their top-to-bottom declaration order.

How can I implement PartialOrd?

PartialOrd only requires implementation of the partial_cmp method, with the others generated from default implementations.

However it remains possible to implement the others separately for types which do not have a total order. For example, for floating point numbers, NaN < 0 == false and NaN >= 0 == false (cf. IEEE 754-2008 section 5.11).

PartialOrd requires your type to be PartialEq.

Implementations of PartialEq, PartialOrd, and Ord must agree with each other. It's easy to accidentally make them disagree by deriving some of the traits and manually implementing others.

If your type is Ord, you can implement partial_cmp() by using cmp():

use std::cmp::Ordering;

#[derive(Eq)]
struct Person {
    id: u32,
    name: String,
    height: u32,
}

impl PartialOrd for Person {
    fn partial_cmp(&self, other: &Person) -> Option<Ordering> {
        Some(self.cmp(other))
    }
}

impl Ord for Person {
    fn cmp(&self, other: &Person) -> Ordering {
        self.height.cmp(&other.height)
    }
}

impl PartialEq for Person {
    fn eq(&self, other: &Person) -> bool {
        self.height == other.height
    }
}

You may also find it useful to use partial_cmp() on your type's fields. Here is an example of Person types who have a floating-point height field that is the only field to be used for sorting:

use std::cmp::Ordering;

struct Person {
    id: u32,
    name: String,
    height: f64,
}

impl PartialOrd for Person {
    fn partial_cmp(&self, other: &Person) -> Option<Ordering> {
        self.height.partial_cmp(&other.height)
    }
}

impl PartialEq for Person {
    fn eq(&self, other: &Person) -> bool {
        self.height == other.height
    }
}

Examples

let x : u32 = 0;
let y : u32 = 1;

assert_eq!(x < y, true);
assert_eq!(x.lt(&y), true);

Required Methods

This method returns an ordering between self and other values if one exists.

Examples

use std::cmp::Ordering;

let result = 1.0.partial_cmp(&2.0);
assert_eq!(result, Some(Ordering::Less));

let result = 1.0.partial_cmp(&1.0);
assert_eq!(result, Some(Ordering::Equal));

let result = 2.0.partial_cmp(&1.0);
assert_eq!(result, Some(Ordering::Greater));

When comparison is impossible:

let result = std::f64::NAN.partial_cmp(&1.0);
assert_eq!(result, None);

Provided Methods

This method tests less than (for self and other) and is used by the < operator.

Examples

let result = 1.0 < 2.0;
assert_eq!(result, true);

let result = 2.0 < 1.0;
assert_eq!(result, false);

This method tests less than or equal to (for self and other) and is used by the <= operator.

Examples

let result = 1.0 <= 2.0;
assert_eq!(result, true);

let result = 2.0 <= 2.0;
assert_eq!(result, true);

This method tests greater than (for self and other) and is used by the > operator.

Examples

let result = 1.0 > 2.0;
assert_eq!(result, false);

let result = 2.0 > 2.0;
assert_eq!(result, false);

This method tests greater than or equal to (for self and other) and is used by the >= operator.

Examples

let result = 2.0 >= 1.0;
assert_eq!(result, true);

let result = 2.0 >= 2.0;
assert_eq!(result, true);

Implementations on Foreign Types

impl<'a, 'b> PartialOrd<PathBuf> for &'a Path
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impl<'a, 'b> PartialOrd<OsStr> for PathBuf
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impl PartialOrd<str> for OsString
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impl PartialOrd<OsStr> for OsStr
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impl<'a, 'b> PartialOrd<Path> for OsStr
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impl<'a, 'b> PartialOrd<OsString> for &'a Path
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impl<'a, 'b> PartialOrd<PathBuf> for OsString
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impl<'a, 'b> PartialOrd<PathBuf> for Path
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impl PartialOrd<Path> for Path
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impl PartialOrd<IpAddr> for Ipv4Addr
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impl<'a> PartialOrd<Component<'a>> for Component<'a>
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impl<'a, 'b> PartialOrd<PathBuf> for &'a OsStr
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impl PartialOrd<Instant> for Instant
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impl<'a, 'b> PartialOrd<OsStr> for Path
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impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, OsStr>
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impl PartialOrd<str> for OsStr
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impl PartialOrd<CString> for CString
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impl<'a, 'b> PartialOrd<Path> for &'a OsStr
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impl<'a, 'b> PartialOrd<&'a Path> for PathBuf
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b Path
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impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, OsStr>
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impl PartialOrd<IpAddr> for Ipv6Addr
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impl<'a> PartialOrd<PrefixComponent<'a>> for PrefixComponent<'a>
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impl PartialOrd<OsString> for OsString
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impl<'a> PartialOrd<Components<'a>> for Components<'a>
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, Path>
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impl PartialOrd<SystemTime> for SystemTime
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impl<'a, 'b> PartialOrd<Path> for PathBuf
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impl<'a, 'b> PartialOrd<&'a OsStr> for Path
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impl<'a, 'b> PartialOrd<&'b OsStr> for Cow<'a, OsStr>
[src]

impl<'a, 'b> PartialOrd<OsString> for PathBuf
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impl<'a, 'b> PartialOrd<&'b OsStr> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<OsString> for Cow<'a, Path>
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impl PartialOrd<IpAddr> for IpAddr
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impl<'a, 'b> PartialOrd<&'b Path> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<&'a OsStr> for PathBuf
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impl<'a, 'b> PartialOrd<OsStr> for &'a Path
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsString
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impl<'a, 'b> PartialOrd<&'a Path> for Cow<'b, OsStr>
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, OsStr>
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impl<'a> PartialOrd<Prefix<'a>> for Prefix<'a>
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsStr
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impl PartialOrd<Ipv6Addr> for IpAddr
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impl<'a, 'b> PartialOrd<&'a Path> for OsString
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impl<'a, 'b> PartialOrd<&'a Path> for OsStr
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impl<'a, 'b> PartialOrd<OsString> for OsStr
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impl PartialOrd<Ipv6Addr> for Ipv6Addr
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b OsStr
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impl<'a, 'b> PartialOrd<PathBuf> for OsStr
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsString
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impl PartialOrd<CStr> for CStr
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impl<'a, 'b> PartialOrd<OsStr> for OsString
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impl<'a, 'b> PartialOrd<&'a OsStr> for OsString
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impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for PathBuf
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impl<'a, 'b> PartialOrd<OsString> for &'a OsStr
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impl<'a, 'b> PartialOrd<OsString> for Cow<'a, OsStr>
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impl PartialOrd<Ipv4Addr> for Ipv4Addr
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsStr
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impl PartialOrd<PathBuf> for PathBuf
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impl<'a, 'b> PartialOrd<Cow<'b, OsStr>> for &'a Path
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for Path
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impl<'a, 'b> PartialOrd<OsString> for Path
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impl PartialOrd<Ipv4Addr> for IpAddr
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for &'b OsStr
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for Path
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impl PartialOrd<ErrorKind> for ErrorKind
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for PathBuf
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impl<'a, 'b> PartialOrd<Path> for OsString
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impl PartialOrd<isize> for isize
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impl<Ret, A, B, C, D, E, F> PartialOrd<unsafe fn(A, B, C, D, E, F) -> Ret> for unsafe fn(A, B, C, D, E, F) -> Ret
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impl PartialOrd<u8> for u8
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impl<Ret, A, B> PartialOrd<fn(A, B) -> Ret> for fn(A, B) -> Ret
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impl<A, B, C, D, E, F, G> PartialOrd<(A, B, C, D, E, F, G)> for (A, B, C, D, E, F, G) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G> + ?Sized
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impl<T> PartialOrd<NonNull<T>> for NonNull<T> where
    T: ?Sized
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impl PartialOrd<i128> for i128
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impl<Ret, A, B, C, D, E> PartialOrd<fn(A, B, C, D, E) -> Ret> for fn(A, B, C, D, E) -> Ret
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impl<Ret> PartialOrd<unsafe extern "C" fn() -> Ret> for unsafe extern "C" fn() -> Ret
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impl<T> PartialOrd<[T; 22]> for [T; 22] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C> PartialOrd<unsafe extern "C" fn(A, B, C, ...) -> Ret> for unsafe extern "C" fn(A, B, C, ...) -> Ret
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impl<T> PartialOrd<[T; 2]> for [T; 2] where
    T: PartialOrd<T>, 
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impl<Ret, A, B> PartialOrd<unsafe extern "C" fn(A, B, ...) -> Ret> for unsafe extern "C" fn(A, B, ...) -> Ret
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impl<Ret, A, B, C, D, E, F> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F) -> Ret
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impl PartialOrd<f32> for f32
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impl PartialOrd<Pinned> for Pinned
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impl<A, B, C, D, E, F, G, H> PartialOrd<(A, B, C, D, E, F, G, H)> for (A, B, C, D, E, F, G, H) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G>,
    H: PartialEq<H> + PartialOrd<H> + ?Sized
[src]

impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret
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impl PartialOrd<NonZeroUsize> for NonZeroUsize
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impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret
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impl PartialOrd<i8> for i8
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impl PartialOrd<u16> for u16
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impl<Ret, A> PartialOrd<unsafe extern "C" fn(A) -> Ret> for unsafe extern "C" fn(A) -> Ret
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impl<Ret, A> PartialOrd<unsafe fn(A) -> Ret> for unsafe fn(A) -> Ret
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impl<Ret, A, B, C, D, E, F> PartialOrd<extern "C" fn(A, B, C, D, E, F) -> Ret> for extern "C" fn(A, B, C, D, E, F) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret
[src]

impl<T> PartialOrd<[T; 5]> for [T; 5] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 15]> for [T; 15] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, ...) -> Ret
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impl<Ret, A, B, C> PartialOrd<extern "C" fn(A, B, C, ...) -> Ret> for extern "C" fn(A, B, C, ...) -> Ret
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impl<Ret, A, B, C, D, E> PartialOrd<extern "C" fn(A, B, C, D, E, ...) -> Ret> for extern "C" fn(A, B, C, D, E, ...) -> Ret
[src]

impl<T> PartialOrd<[T; 19]> for [T; 19] where
    T: PartialOrd<T>, 
[src]

impl<Ret, A> PartialOrd<extern "C" fn(A, ...) -> Ret> for extern "C" fn(A, ...) -> Ret
[src]

impl<T> PartialOrd<[T]> for [T] where
    T: PartialOrd<T>, 
[src]

Implements comparison of vectors lexicographically.

impl<T> PartialOrd<[T; 6]> for [T; 6] where
    T: PartialOrd<T>, 
[src]

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret> for fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
[src]

impl<T> PartialOrd<[T; 12]> for [T; 12] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret
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impl PartialOrd<NonZeroU64> for NonZeroU64
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impl PartialOrd<()> for ()
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impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<fn(A, B, C, D, E, F, G, H, I) -> Ret> for fn(A, B, C, D, E, F, G, H, I) -> Ret
[src]

impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<fn(A, B, C, D, E, F, G, H) -> Ret> for fn(A, B, C, D, E, F, G, H) -> Ret
[src]

impl<'a, 'b, A, B> PartialOrd<&'b B> for &'a A where
    A: PartialOrd<B> + ?Sized,
    B: ?Sized
[src]

impl<Ret, A, B, C, D> PartialOrd<extern "C" fn(A, B, C, D, ...) -> Ret> for extern "C" fn(A, B, C, D, ...) -> Ret
[src]

impl<Ret, A, B, C, D, E, F, G> PartialOrd<fn(A, B, C, D, E, F, G) -> Ret> for fn(A, B, C, D, E, F, G) -> Ret
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impl PartialOrd<NonZeroU16> for NonZeroU16
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impl<Ret, A> PartialOrd<unsafe extern "C" fn(A, ...) -> Ret> for unsafe extern "C" fn(A, ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<unsafe fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret> for unsafe fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
[src]

impl PartialOrd<i64> for i64
[src]

impl<T> PartialOrd<[T; 9]> for [T; 9] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<u128> for u128
[src]

impl<T> PartialOrd<*const T> for *const T where
    T: ?Sized
[src]

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
[src]

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret
[src]

impl<T> PartialOrd<[T; 23]> for [T; 23] where
    T: PartialOrd<T>, 
[src]

impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret
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impl PartialOrd<TypeId> for TypeId
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impl<T> PartialOrd<Poll<T>> for Poll<T> where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<unsafe fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret> for unsafe fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
[src]

impl<A, B> PartialOrd<(A, B)> for (A, B) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B> + ?Sized
[src]

impl<T> PartialOrd<[T; 4]> for [T; 4] where
    T: PartialOrd<T>, 
[src]

impl<Ret, A, B> PartialOrd<unsafe extern "C" fn(A, B) -> Ret> for unsafe extern "C" fn(A, B) -> Ret
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impl<Ret, A, B, C> PartialOrd<extern "C" fn(A, B, C) -> Ret> for extern "C" fn(A, B, C) -> Ret
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impl PartialOrd<NonZeroU32> for NonZeroU32
[src]

impl<A, B, C, D, E, F, G, H, I, J, K> PartialOrd<(A, B, C, D, E, F, G, H, I, J, K)> for (A, B, C, D, E, F, G, H, I, J, K) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G>,
    H: PartialEq<H> + PartialOrd<H>,
    I: PartialEq<I> + PartialOrd<I>,
    J: PartialEq<J> + PartialOrd<J>,
    K: PartialEq<K> + PartialOrd<K> + ?Sized
[src]

impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret
[src]

impl<A, B, C, D> PartialOrd<(A, B, C, D)> for (A, B, C, D) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D> + ?Sized
[src]

impl<Ret> PartialOrd<fn() -> Ret> for fn() -> Ret
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impl<Ret, A, B, C> PartialOrd<unsafe fn(A, B, C) -> Ret> for unsafe fn(A, B, C) -> Ret
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impl<Ret, A, B, C, D, E> PartialOrd<unsafe fn(A, B, C, D, E) -> Ret> for unsafe fn(A, B, C, D, E) -> Ret
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impl<A> PartialOrd<(A,)> for (A,) where
    A: PartialEq<A> + PartialOrd<A> + ?Sized
[src]

impl<T> PartialOrd<[T; 17]> for [T; 17] where
    T: PartialOrd<T>, 
[src]

impl<Ret, A, B, C, D, E> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, ...) -> Ret
[src]

impl<T> PartialOrd<[T; 32]> for [T; 32] where
    T: PartialOrd<T>, 
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impl PartialOrd<Duration> for Duration
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impl<Ret, A, B, C, D, E, F> PartialOrd<extern "C" fn(A, B, C, D, E, F, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, ...) -> Ret
[src]

impl<Ret, A> PartialOrd<extern "C" fn(A) -> Ret> for extern "C" fn(A) -> Ret
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impl<Ret, A, B, C> PartialOrd<unsafe extern "C" fn(A, B, C) -> Ret> for unsafe extern "C" fn(A, B, C) -> Ret
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impl<Ret, A, B, C, D, E> PartialOrd<extern "C" fn(A, B, C, D, E) -> Ret> for extern "C" fn(A, B, C, D, E) -> Ret
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impl<Ret, A, B, C, D, E, F> PartialOrd<fn(A, B, C, D, E, F) -> Ret> for fn(A, B, C, D, E, F) -> Ret
[src]

impl<T> PartialOrd<[T; 21]> for [T; 21] where
    T: PartialOrd<T>, 
[src]

impl<T> PartialOrd<RefCell<T>> for RefCell<T> where
    T: PartialOrd<T> + ?Sized
[src]

Panics

Panics if the value in either RefCell is currently borrowed.

Panics

Panics if the value in either RefCell is currently borrowed.

Panics

Panics if the value in either RefCell is currently borrowed.

Panics

Panics if the value in either RefCell is currently borrowed.

Panics

Panics if the value in either RefCell is currently borrowed.

impl PartialOrd<char> for char
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impl<A, B, C, D, E> PartialOrd<(A, B, C, D, E)> for (A, B, C, D, E) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E> + ?Sized
[src]

impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K) -> Ret
[src]

impl<Ret, A, B> PartialOrd<extern "C" fn(A, B) -> Ret> for extern "C" fn(A, B) -> Ret
[src]

impl PartialOrd<UnicodeVersion> for UnicodeVersion
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impl<Ret, A, B, C, D> PartialOrd<unsafe extern "C" fn(A, B, C, D) -> Ret> for unsafe extern "C" fn(A, B, C, D) -> Ret
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impl<Ret, A, B, C, D, E, F, G> PartialOrd<unsafe fn(A, B, C, D, E, F, G) -> Ret> for unsafe fn(A, B, C, D, E, F, G) -> Ret
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impl<T> PartialOrd<[T; 1]> for [T; 1] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L, ...) -> Ret
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impl<Ret> PartialOrd<extern "C" fn() -> Ret> for extern "C" fn() -> Ret
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impl<T> PartialOrd<[T; 3]> for [T; 3] where
    T: PartialOrd<T>, 
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impl PartialOrd<f64> for f64
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impl<T> PartialOrd<[T; 11]> for [T; 11] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 16]> for [T; 16] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D> PartialOrd<unsafe extern "C" fn(A, B, C, D, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, ...) -> Ret
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impl<A, B, C, D, E, F, G, H, I> PartialOrd<(A, B, C, D, E, F, G, H, I)> for (A, B, C, D, E, F, G, H, I) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G>,
    H: PartialEq<H> + PartialOrd<H>,
    I: PartialEq<I> + PartialOrd<I> + ?Sized
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impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J) -> Ret
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impl<T> PartialOrd<[T; 10]> for [T; 10] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<Wrapping<T>> for Wrapping<T> where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 27]> for [T; 27] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 13]> for [T; 13] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H) -> Ret
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impl<T> PartialOrd<PhantomData<T>> for PhantomData<T> where
    T: ?Sized
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impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I) -> Ret
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impl PartialOrd<bool> for bool
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impl<Ret, A> PartialOrd<fn(A) -> Ret> for fn(A) -> Ret
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impl<Ret, A, B> PartialOrd<unsafe fn(A, B) -> Ret> for unsafe fn(A, B) -> Ret
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impl<Ret> PartialOrd<unsafe fn() -> Ret> for unsafe fn() -> Ret
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impl<Ret, A, B, C, D, E, F, G> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G) -> Ret
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impl<T> PartialOrd<[T; 31]> for [T; 31] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D> PartialOrd<fn(A, B, C, D) -> Ret> for fn(A, B, C, D) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, ...) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H> PartialOrd<unsafe fn(A, B, C, D, E, F, G, H) -> Ret> for unsafe fn(A, B, C, D, E, F, G, H) -> Ret
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impl<Ret, A, B, C, D, E, F, G> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret
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impl<T> PartialOrd<[T; 14]> for [T; 14] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 7]> for [T; 7] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<*mut T> for *mut T where
    T: ?Sized
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
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impl<T> PartialOrd<[T; 20]> for [T; 20] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<fn(A, B, C, D, E, F, G, H, I, J) -> Ret> for fn(A, B, C, D, E, F, G, H, I, J) -> Ret
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impl<T> PartialOrd<[T; 26]> for [T; 26] where
    T: PartialOrd<T>, 
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impl PartialOrd<u32> for u32
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impl<Ret, A, B, C, D, E, F> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, ...) -> Ret
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impl<A, B, C, D, E, F, G, H, I, J> PartialOrd<(A, B, C, D, E, F, G, H, I, J)> for (A, B, C, D, E, F, G, H, I, J) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G>,
    H: PartialEq<H> + PartialOrd<H>,
    I: PartialEq<I> + PartialOrd<I>,
    J: PartialEq<J> + PartialOrd<J> + ?Sized
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impl<T> PartialOrd<[T; 28]> for [T; 28] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D> PartialOrd<extern "C" fn(A, B, C, D) -> Ret> for extern "C" fn(A, B, C, D) -> Ret
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impl PartialOrd<i16> for i16
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impl<T> PartialOrd<[T; 8]> for [T; 8] where
    T: PartialOrd<T>, 
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impl<'a, 'b, A, B> PartialOrd<&'b mut B> for &'a mut A where
    A: PartialOrd<B> + ?Sized,
    B: ?Sized
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impl<T> PartialOrd<[T; 30]> for [T; 30] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 24]> for [T; 24] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G> PartialOrd<extern "C" fn(A, B, C, D, E, F, G) -> Ret> for extern "C" fn(A, B, C, D, E, F, G) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I> PartialOrd<unsafe fn(A, B, C, D, E, F, G, H, I) -> Ret> for unsafe fn(A, B, C, D, E, F, G, H, I) -> Ret
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impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret> for fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
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impl<A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<(A, B, C, D, E, F, G, H, I, J, K, L)> for (A, B, C, D, E, F, G, H, I, J, K, L) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F>,
    G: PartialEq<G> + PartialOrd<G>,
    H: PartialEq<H> + PartialOrd<H>,
    I: PartialEq<I> + PartialOrd<I>,
    J: PartialEq<J> + PartialOrd<J>,
    K: PartialEq<K> + PartialOrd<K>,
    L: PartialEq<L> + PartialOrd<L> + ?Sized
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impl PartialOrd<u64> for u64
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impl<Ret, A, B, C, D, E> PartialOrd<unsafe extern "C" fn(A, B, C, D, E) -> Ret> for unsafe extern "C" fn(A, B, C, D, E) -> Ret
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impl<T> PartialOrd<[T; 18]> for [T; 18] where
    T: PartialOrd<T>, 
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impl PartialOrd<NonZeroU8> for NonZeroU8
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impl<Ret, A, B> PartialOrd<extern "C" fn(A, B, ...) -> Ret> for extern "C" fn(A, B, ...) -> Ret
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impl<Ret, A, B, C, D> PartialOrd<unsafe fn(A, B, C, D) -> Ret> for unsafe fn(A, B, C, D) -> Ret
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impl<A, B, C> PartialOrd<(A, B, C)> for (A, B, C) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C> + ?Sized
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impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<unsafe fn(A, B, C, D, E, F, G, H, I, J) -> Ret> for unsafe fn(A, B, C, D, E, F, G, H, I, J) -> Ret
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impl PartialOrd<!> for !
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impl<A, B, C, D, E, F> PartialOrd<(A, B, C, D, E, F)> for (A, B, C, D, E, F) where
    A: PartialEq<A> + PartialOrd<A>,
    B: PartialEq<B> + PartialOrd<B>,
    C: PartialEq<C> + PartialOrd<C>,
    D: PartialEq<D> + PartialOrd<D>,
    E: PartialEq<E> + PartialOrd<E>,
    F: PartialEq<F> + PartialOrd<F> + ?Sized
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impl<T> PartialOrd<Cell<T>> for Cell<T> where
    T: Copy + PartialOrd<T>, 
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impl<T> PartialOrd<[T; 29]> for [T; 29] where
    T: PartialOrd<T>, 
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impl PartialOrd<usize> for usize
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impl PartialOrd<str> for str
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Implements comparison operations on strings.

Strings are compared lexicographically by their byte values. This compares Unicode code points based on their positions in the code charts. This is not necessarily the same as "alphabetical" order, which varies by language and locale. Comparing strings according to culturally-accepted standards requires locale-specific data that is outside the scope of the str type.

impl<Ret, A, B, C, D, E, F, G, H, I, J, K, L> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, K, L) -> Ret
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impl PartialOrd<NonZeroU128> for NonZeroU128
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impl<T> PartialOrd<[T; 25]> for [T; 25] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C, D, E, F, G, H, I, J> PartialOrd<unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret> for unsafe extern "C" fn(A, B, C, D, E, F, G, H, I, J, ...) -> Ret
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impl PartialOrd<i32> for i32
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impl<T> PartialOrd<[T; 0]> for [T; 0] where
    T: PartialOrd<T>, 
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impl<Ret, A, B, C> PartialOrd<fn(A, B, C) -> Ret> for fn(A, B, C) -> Ret
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impl<T> PartialOrd<Arc<T>> for Arc<T> where
    T: PartialOrd<T> + ?Sized
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Partial comparison for two Arcs.

The two are compared by calling partial_cmp() on their inner values.

Examples

use std::sync::Arc;
use std::cmp::Ordering;

let five = Arc::new(5);

assert_eq!(Some(Ordering::Less), five.partial_cmp(&Arc::new(6)));

Less-than comparison for two Arcs.

The two are compared by calling < on their inner values.

Examples

use std::sync::Arc;

let five = Arc::new(5);

assert!(five < Arc::new(6));

'Less than or equal to' comparison for two Arcs.

The two are compared by calling <= on their inner values.

Examples

use std::sync::Arc;

let five = Arc::new(5);

assert!(five <= Arc::new(5));

Greater-than comparison for two Arcs.

The two are compared by calling > on their inner values.

Examples

use std::sync::Arc;

let five = Arc::new(5);

assert!(five > Arc::new(4));

'Greater than or equal to' comparison for two Arcs.

The two are compared by calling >= on their inner values.

Examples

use std::sync::Arc;

let five = Arc::new(5);

assert!(five >= Arc::new(5));

impl<T> PartialOrd<Rc<T>> for Rc<T> where
    T: PartialOrd<T> + ?Sized
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Partial comparison for two Rcs.

The two are compared by calling partial_cmp() on their inner values.

Examples

use std::rc::Rc;
use std::cmp::Ordering;

let five = Rc::new(5);

assert_eq!(Some(Ordering::Less), five.partial_cmp(&Rc::new(6)));

Less-than comparison for two Rcs.

The two are compared by calling < on their inner values.

Examples

use std::rc::Rc;

let five = Rc::new(5);

assert!(five < Rc::new(6));

'Less than or equal to' comparison for two Rcs.

The two are compared by calling <= on their inner values.

Examples

use std::rc::Rc;

let five = Rc::new(5);

assert!(five <= Rc::new(5));

Greater-than comparison for two Rcs.

The two are compared by calling > on their inner values.

Examples

use std::rc::Rc;

let five = Rc::new(5);

assert!(five > Rc::new(4));

'Greater than or equal to' comparison for two Rcs.

The two are compared by calling >= on their inner values.

Examples

use std::rc::Rc;

let five = Rc::new(5);

assert!(five >= Rc::new(5));

impl<'a, B> PartialOrd<Cow<'a, B>> for Cow<'a, B> where
    B: PartialOrd<B> + ToOwned + ?Sized
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Implementors

impl PartialOrd<Ordering> for Ordering
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impl PartialOrd<Error> for Error
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impl PartialOrd<NoneError> for NoneError
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impl PartialOrd<String> for String
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impl<A> PartialOrd<VecDeque<A>> for VecDeque<A> where
    A: PartialOrd<A>, 
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impl<K, V> PartialOrd<BTreeMap<K, V>> for BTreeMap<K, V> where
    K: PartialOrd<K>,
    V: PartialOrd<V>, 
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impl<T> PartialOrd<Option<T>> for Option<T> where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<Reverse<T>> for Reverse<T> where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<LinkedList<T>> for LinkedList<T> where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<BTreeSet<T>> for BTreeSet<T> where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<ManuallyDrop<T>> for ManuallyDrop<T> where
    T: PartialOrd<T> + ?Sized
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impl<T> PartialOrd<Box<T>> for Box<T> where
    T: PartialOrd<T> + ?Sized
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impl<T> PartialOrd<Vec<T>> for Vec<T> where
    T: PartialOrd<T>, 
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Implements comparison of vectors, lexicographically.

impl<T, E> PartialOrd<Result<T, E>> for Result<T, E> where
    E: PartialOrd<E>,
    T: PartialOrd<T>, 
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impl<Y, R> PartialOrd<GeneratorState<Y, R>> for GeneratorState<Y, R> where
    R: PartialOrd<R>,
    Y: PartialOrd<Y>, 
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