Trait nom::lib::std::cmp::PartialOrd1.0.0 [] [src]

#[lang = "partial_ord"]
pub trait PartialOrd<Rhs = Self>: PartialEq<Rhs> where
    Rhs: ?Sized
{ fn partial_cmp(&self, other: &Rhs) -> Option<Ordering>; fn lt(&self, other: &Rhs) -> bool { ... }
fn le(&self, other: &Rhs) -> bool { ... }
fn gt(&self, other: &Rhs) -> bool { ... }
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<OsStr> for PathBuf
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impl<'a, 'b> PartialOrd<&'a Path> for OsStr
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impl<'a, 'b> PartialOrd<&'a OsStr> for OsString
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impl<'a, 'b> PartialOrd<OsString> for OsStr
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impl PartialOrd<Instant> for Instant
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impl<'a, 'b> PartialOrd<OsStr> for &'a Path
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impl<'a, 'b> PartialOrd<&'a Path> for Cow<'b, OsStr>
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impl<'a, 'b> PartialOrd<PathBuf> for &'a Path
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsStr
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impl<'a, 'b> PartialOrd<Path> for OsString
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impl PartialOrd<Ipv6Addr> for IpAddr
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impl<'a, 'b> PartialOrd<OsString> for Cow<'a, OsStr>
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for PathBuf
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impl<'a> PartialOrd<PrefixComponent<'a>> for PrefixComponent<'a>
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impl<'a> PartialOrd<Component<'a>> for Component<'a>
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impl<'a, 'b> PartialOrd<OsString> for PathBuf
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impl PartialOrd<Ipv4Addr> for IpAddr
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impl PartialOrd<Path> for Path
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impl<'a, 'b> PartialOrd<Cow<'b, OsStr>> for &'a Path
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impl<'a, 'b> PartialOrd<OsString> for Path
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impl<'a, 'b> PartialOrd<Path> for PathBuf
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impl<'a, 'b> PartialOrd<OsString> for &'a OsStr
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impl PartialOrd<ErrorKind> for ErrorKind
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b Path
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impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, OsStr>
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impl PartialOrd<str> for OsString
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impl<'a, 'b> PartialOrd<&'b Path> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<&'a Path> for PathBuf
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impl PartialOrd<Ipv4Addr> for Ipv4Addr
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsString
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b OsStr
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impl<'a, 'b> PartialOrd<&'a OsStr> for Path
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impl<'a, 'b> PartialOrd<PathBuf> for OsStr
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for Path
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impl PartialOrd<Ipv6Addr> for Ipv6Addr
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impl<'a> PartialOrd<Prefix<'a>> for Prefix<'a>
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impl<'a, 'b> PartialOrd<PathBuf> for Path
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impl<'a, 'b> PartialOrd<&'a Path> for OsString
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impl PartialOrd<PathBuf> for PathBuf
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impl PartialOrd<IpAddr> for IpAddr
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impl PartialOrd<CStr> for CStr
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impl<'a, 'b> PartialOrd<Path> for &'a OsStr
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impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, OsStr>
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for &'b OsStr
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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<'a, 'b> PartialOrd<&'b 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> PartialOrd<Components<'a>> for Components<'a>
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impl<'a, 'b> PartialOrd<OsString> for &'a Path
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for Path
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, Path>
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impl PartialOrd<OsString> for OsString
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impl<'a, 'b> PartialOrd<PathBuf> for OsString
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impl<'a, 'b> PartialOrd<PathBuf> for &'a OsStr
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, OsStr>
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsStr
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impl PartialOrd<IpAddr> for Ipv4Addr
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impl PartialOrd<OsStr> for OsStr
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impl PartialOrd<IpAddr> for Ipv6Addr
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impl<'a, 'b> PartialOrd<OsStr> for OsString
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impl PartialOrd<SystemTime> for SystemTime
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impl<'a, 'b> PartialOrd<&'a OsStr> for PathBuf
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impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, Path>
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impl<'a, 'b> PartialOrd<Path> for OsStr
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for PathBuf
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impl<'a, 'b> PartialOrd<OsStr> for Path
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsString
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impl<T> PartialOrd<[T; 5]> for [T; 5] where
    T: PartialOrd<T>, 
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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 PartialOrd<char> for char
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impl<T> PartialOrd<[T; 8]> for [T; 8] where
    T: PartialOrd<T>, 
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impl PartialOrd<NonZeroIsize> for NonZeroIsize
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impl PartialOrd<i16x32> for i16x32
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impl<T> PartialOrd<Wrapping<T>> for Wrapping<T> where
    T: PartialOrd<T>, 
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impl PartialOrd<f64x8> for f64x8
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impl<T> PartialOrd<[T; 14]> for [T; 14] where
    T: PartialOrd<T>, 
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impl PartialOrd<b8x32> for b8x32
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impl<T> PartialOrd<[T; 18]> for [T; 18] where
    T: PartialOrd<T>, 
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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> 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<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; 17]> for [T; 17] 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 PartialOrd<u16x16> for u16x16
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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 PartialOrd<i8x8> for i8x8
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impl<T> PartialOrd<[T; 24]> for [T; 24] where
    T: PartialOrd<T>, 
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impl PartialOrd<f32> for f32
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impl<T> PartialOrd<[T; 30]> for [T; 30] 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 PartialOrd<i64x8> for i64x8
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impl<T> PartialOrd<[T; 15]> for [T; 15] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 26]> for [T; 26] where
    T: PartialOrd<T>, 
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impl PartialOrd<u64x8> for u64x8
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impl PartialOrd<f32x2> for f32x2
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impl PartialOrd<u8x32> for u8x32
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impl<T> PartialOrd<[T]> for [T] where
    T: PartialOrd<T>, 
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Implements comparison of vectors lexicographically.

impl PartialOrd<i128> for i128
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impl PartialOrd<Duration> for Duration
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impl<T> PartialOrd<[T; 19]> for [T; 19] where
    T: PartialOrd<T>, 
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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, G, H> PartialOrd<fn(A, B, C, D, E, F, G, H) -> Ret> for fn(A, B, C, D, E, F, G, H) -> Ret
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impl PartialOrd<b8x4> for b8x4
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impl<T> PartialOrd<[T; 6]> for [T; 6] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<NonZero<T>> for NonZero<T> where
    T: Zeroable + PartialOrd<T>, 
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impl PartialOrd<usize> for usize
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impl<T> PartialOrd<[T; 20]> for [T; 20] 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<T> PartialOrd<[T; 3]> for [T; 3] where
    T: PartialOrd<T>, 
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impl PartialOrd<u64x4> for u64x4
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impl<T> PartialOrd<[T; 12]> for [T; 12] where
    T: PartialOrd<T>, 
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impl PartialOrd<i32> for i32
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impl<T> PartialOrd<[T; 28]> for [T; 28] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<Cell<T>> for Cell<T> where
    T: Copy + PartialOrd<T>, 
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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
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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<T> PartialOrd<[T; 22]> for [T; 22] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<*const T> for *const T where
    T: ?Sized
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impl PartialOrd<NonZeroI32> for NonZeroI32
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impl PartialOrd<i32x16> for i32x16
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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
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impl<T> PartialOrd<*mut T> for *mut T where
    T: ?Sized
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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> PartialOrd<extern "C" fn() -> Ret> for extern "C" fn() -> Ret
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impl PartialOrd<i64x2> for i64x2
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impl<T> PartialOrd<[T; 10]> for [T; 10] where
    T: PartialOrd<T>, 
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impl<T> PartialOrd<[T; 9]> for [T; 9] where
    T: PartialOrd<T>, 
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impl PartialOrd<b8x16> for b8x16
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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
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impl PartialOrd<i16x2> for i16x2
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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<b8x64> for b8x64
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impl PartialOrd<u8x4> for u8x4
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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<CpuidResult> for CpuidResult
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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<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, 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 PartialOrd<NonZeroU32> for NonZeroU32
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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
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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<Ret, A> PartialOrd<unsafe fn(A) -> Ret> for unsafe fn(A) -> Ret
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impl PartialOrd<i32x2> for i32x2
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impl PartialOrd<i8> for i8
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impl PartialOrd<f32x16> for f32x16
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impl<T> PartialOrd<[T; 4]> for [T; 4] where
    T: PartialOrd<T>, 
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impl PartialOrd<bool> for bool
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impl PartialOrd<u16x32> for u16x32
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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
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impl<T> PartialOrd<[T; 27]> for [T; 27] where
    T: PartialOrd<T>, 
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impl PartialOrd<isize> for isize
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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> 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<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> 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<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 PartialOrd<u128> for u128
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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<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<'a, 'b, A, B> PartialOrd<&'b B> for &'a A where
    A: PartialOrd<B> + ?Sized,
    B: ?Sized
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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<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<A> PartialOrd<(A,)> for (A,) where
    A: PartialEq<A> + PartialOrd<A> + ?Sized
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impl PartialOrd<NonZeroU64> for NonZeroU64
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impl PartialOrd<u8x8> for u8x8
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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<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
[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
[src]

impl PartialOrd<u16x8> for u16x8
[src]

impl PartialOrd<i8x16> for i8x16
[src]

impl PartialOrd<u32x16> for u32x16
[src]

impl PartialOrd<i8x4> for i8x4
[src]

impl<T> PartialOrd<[T; 16]> for [T; 16] 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<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<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> PartialOrd<fn(A, B, C, D, E, F) -> Ret> for fn(A, B, C, D, E, F) -> Ret
[src]

impl PartialOrd<NonZeroU8> for NonZeroU8
[src]

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
[src]

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

impl PartialOrd<()> for ()
[src]

impl PartialOrd<NonZeroI64> for NonZeroI64
[src]

impl<Ret> PartialOrd<fn() -> Ret> for fn() -> Ret
[src]

impl PartialOrd<u8x64> for u8x64
[src]

impl PartialOrd<u8x16> for u8x16
[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> PartialOrd<extern "C" fn(A, B, C, D, E, F) -> Ret> for extern "C" fn(A, B, C, D, E, F) -> Ret
[src]

impl<T> PartialOrd<[T; 0]> for [T; 0] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<i32x4> for i32x4
[src]

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

impl PartialOrd<!> for !
[src]

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

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
[src]

impl<T> PartialOrd<[T; 11]> for [T; 11] where
    T: PartialOrd<T>, 
[src]

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

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

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
[src]

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

impl PartialOrd<f64> for f64
[src]

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

impl<T> PartialOrd<[T; 25]> for [T; 25] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<NonZeroUsize> for NonZeroUsize
[src]

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

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
[src]

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
[src]

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

impl<T> PartialOrd<[T; 2]> for [T; 2] where
    T: PartialOrd<T>, 
[src]

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
[src]

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
[src]

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

impl<T> PartialOrd<[T; 31]> for [T; 31] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<i8x2> for i8x2
[src]

impl PartialOrd<NonZeroI128> for NonZeroI128
[src]

impl PartialOrd<f32x4> for f32x4
[src]

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

impl PartialOrd<u16x2> for u16x2
[src]

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

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

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
[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, 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
[src]

impl PartialOrd<u16x4> for u16x4
[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 PartialOrd<i8x64> for i8x64
[src]

impl<T> PartialOrd<[T; 32]> for [T; 32] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<f64x4> for f64x4
[src]

impl PartialOrd<f64x2> for f64x2
[src]

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

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 PartialOrd<i64x4> for i64x4
[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> PartialOrd<extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret> for extern "C" fn(A, B, C, D, E, F, G, ...) -> Ret
[src]

impl PartialOrd<i16> for i16
[src]

impl PartialOrd<u32x4> for u32x4
[src]

impl PartialOrd<b8x2> for b8x2
[src]

impl PartialOrd<i16x8> for i16x8
[src]

impl<T> PartialOrd<[T; 29]> for [T; 29] where
    T: PartialOrd<T>, 
[src]

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 PartialOrd<NonZeroU16> for NonZeroU16
[src]

impl PartialOrd<i32x8> for i32x8
[src]

impl PartialOrd<NonZeroI16> for NonZeroI16
[src]

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

impl<T> PartialOrd<[T; 13]> for [T; 13] where
    T: PartialOrd<T>, 
[src]

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
[src]

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

impl PartialOrd<NonZeroU128> for NonZeroU128
[src]

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

impl PartialOrd<f32x8> for f32x8
[src]

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
[src]

impl PartialOrd<NonZeroI8> for NonZeroI8
[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<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
[src]

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
[src]

impl PartialOrd<u16> for u16
[src]

impl PartialOrd<i16x16> for i16x16
[src]

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
[src]

impl PartialOrd<u32> for u32
[src]

impl PartialOrd<i8x32> for i8x32
[src]

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

impl PartialOrd<u32x2> for u32x2
[src]

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

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

impl<Ret, A> PartialOrd<fn(A) -> Ret> for fn(A) -> Ret
[src]

impl PartialOrd<u8> for u8
[src]

impl PartialOrd<b8x8> for b8x8
[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<NonNull<T>> for NonNull<T> where
    T: ?Sized
[src]

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
[src]

impl PartialOrd<u8x2> for u8x2
[src]

impl PartialOrd<i16x4> for i16x4
[src]

impl PartialOrd<u64x2> for u64x2
[src]

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

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
[src]

impl PartialOrd<u64> for u64
[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
[src]

impl PartialOrd<u32x8> for u32x8
[src]

impl<T> PartialOrd<[T; 7]> for [T; 7] where
    T: PartialOrd<T>, 
[src]

impl PartialOrd<i64> for i64
[src]

impl PartialOrd<TypeId> for TypeId
[src]

impl<Ret> PartialOrd<unsafe fn() -> Ret> for unsafe fn() -> Ret
[src]

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

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

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
[src]

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 PartialOrd<UnicodeVersion> for UnicodeVersion
[src]

Implementors