1.0.0[][src]Trait sp_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:

  • asymmetry: if a < b then !(a > b), as well as a > b implying !(a < b); and
  • transitivity: a < b and b < c implies a < c. The same must hold for both == and >.

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: &Self) -> Option<Ordering> {
        self.height.partial_cmp(&other.height)
    }
}

impl PartialEq for Person {
    fn eq(&self, other: &Self) -> 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

#[must_use]fn partial_cmp(&self, other: &Rhs) -> Option<Ordering>

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);
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Provided methods

#[must_use]fn lt(&self, other: &Rhs) -> bool

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);

#[must_use]fn le(&self, other: &Rhs) -> bool

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);

#[must_use]fn gt(&self, other: &Rhs) -> bool

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);

#[must_use]fn ge(&self, other: &Rhs) -> bool

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);
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Implementations on Foreign Types

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b OsStr[src]

impl<'a, 'b> PartialOrd<&'a OsStr> for Path[src]

impl<'a, 'b> PartialOrd<OsString> for Path[src]

impl<'a, 'b> PartialOrd<PathBuf> for &'a Path[src]

impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for PathBuf[src]

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for PathBuf[src]

impl PartialOrd<Path> for Path[src]

impl<'a, 'b> PartialOrd<&'a OsStr> for OsString[src]

impl PartialOrd<IpAddr> for Ipv6Addr[src]

impl PartialOrd<Ipv6Addr> for Ipv6Addr[src]

impl PartialOrd<CStr> for CStr[src]

impl PartialOrd<str> for OsStr[src]

impl<'a, 'b> PartialOrd<&'a OsStr> for PathBuf[src]

impl<'a, 'b> PartialOrd<OsString> for &'a Path[src]

impl<'a, 'b> PartialOrd<OsString> for PathBuf[src]

impl PartialOrd<PathBuf> for PathBuf[src]

impl PartialOrd<Ipv4Addr> for IpAddr[src]

impl PartialOrd<SystemTime> for SystemTime[src]

impl<'a, 'b> PartialOrd<&'a Path> for PathBuf[src]

impl<'a, 'b> PartialOrd<OsString> for OsStr[src]

impl<'a, 'b> PartialOrd<OsStr> for OsString[src]

impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsString[src]

impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for OsStr[src]

impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for Path[src]

impl<'a> PartialOrd<Components<'a>> for Components<'a>[src]

impl<'a, 'b> PartialOrd<PathBuf> for OsStr[src]

impl PartialOrd<Instant> for Instant[src]

impl<'a, 'b> PartialOrd<Path> for OsStr[src]

impl PartialOrd<OsStr> for OsStr[src]

impl<'a> PartialOrd<Prefix<'a>> for Prefix<'a>[src]

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsString[src]

impl<'a, 'b> PartialOrd<Path> for PathBuf[src]

impl<'a, 'b> PartialOrd<PathBuf> for Path[src]

impl<'a, 'b> PartialOrd<&'a Path> for OsStr[src]

impl<'a> PartialOrd<PrefixComponent<'a>> for PrefixComponent<'a>[src]

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for Path[src]

impl<'a, 'b> PartialOrd<Path> for OsString[src]

impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for &'b OsStr[src]

impl<'a, 'b> PartialOrd<OsStr> for PathBuf[src]

impl<'a, 'b> PartialOrd<OsString> for &'a OsStr[src]

impl<'a, 'b> PartialOrd<OsStr> for &'a Path[src]

impl PartialOrd<CString> for CString[src]

impl<'a, 'b> PartialOrd<&'a Path> for OsString[src]

impl PartialOrd<Ipv4Addr> for Ipv4Addr[src]

impl<'a, 'b> PartialOrd<PathBuf> for &'a OsStr[src]

impl PartialOrd<IpAddr> for IpAddr[src]

impl PartialOrd<Ipv6Addr> for IpAddr[src]

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for OsStr[src]

impl PartialOrd<OsString> for OsString[src]

impl<'a, 'b> PartialOrd<Cow<'b, OsStr>> for &'a Path[src]

impl<'a> PartialOrd<Component<'a>> for Component<'a>[src]

impl<'a, 'b> PartialOrd<OsStr> for Path[src]

impl<'a, 'b> PartialOrd<PathBuf> for OsString[src]

impl PartialOrd<IpAddr> for Ipv4Addr[src]

impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b Path[src]

impl PartialOrd<str> for OsString[src]

impl PartialOrd<ErrorKind> for ErrorKind[src]

impl<'a, 'b> PartialOrd<Path> for &'a OsStr[src]

impl PartialOrd<u16> for u16[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<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 PartialOrd<u32> for u32[src]

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[src]

impl PartialOrd<CpuidResult> for CpuidResult[src]

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

impl<const N: usize, T> PartialOrd<[T; N]> for [T; N] where
    T: PartialOrd<T>,
    [T; N]: LengthAtMost32
[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<UnicodeVersion> for UnicodeVersion[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<unsafe fn(A, B, C, D, E, F) -> Ret> for unsafe fn(A, B, C, D, E, F) -> Ret[src]

impl PartialOrd<i128> for i128[src]

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

impl PartialOrd<i32> for i32[src]

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

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[src]

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

impl PartialOrd<u128> for u128[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> PartialOrd<fn(A, B, C, D, E, F, G, H) -> Ret> for fn(A, B, C, D, E, F, G, H) -> 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<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, 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<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
[src]

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
[src]

impl PartialOrd<str> for str[src]

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

Implements comparison of vectors lexicographically.

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

impl<T> PartialOrd<Option<T>> for Option<T> where
    T: PartialOrd<T>, 
[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, D> PartialOrd<unsafe extern "C" fn(A, B, C, D) -> Ret> for unsafe extern "C" fn(A, B, C, D) -> Ret[src]

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

impl<T> PartialOrd<*mut T> for *mut T where
    T: ?Sized
[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<Ret, A, B> PartialOrd<unsafe extern "C" fn(A, B, ...) -> Ret> for unsafe extern "C" fn(A, B, ...) -> Ret[src]

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

impl PartialOrd<u8> for u8[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, 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> PartialOrd<fn(A, B, C) -> Ret> for fn(A, B, C) -> 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<Ret> PartialOrd<extern "C" fn() -> Ret> for extern "C" fn() -> Ret[src]

impl PartialOrd<isize> for isize[src]

impl PartialOrd<!> for ![src]

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
[src]

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

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[src]

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

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

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
[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<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, 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, 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<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, 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, 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<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<i8> for i8[src]

impl<'_, '_, A, B> PartialOrd<&'_ mut B> for &'_ mut A where
    A: PartialOrd<B> + ?Sized,
    B: ?Sized
[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, 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<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<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, C> PartialOrd<unsafe fn(A, B, C) -> Ret> for unsafe fn(A, B, C) -> Ret[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, 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, 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> PartialOrd<unsafe fn(A, B) -> Ret> for unsafe fn(A, B) -> Ret[src]

impl PartialOrd<i16> for i16[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 PartialOrd<char> for char[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<P, Q> PartialOrd<Pin<Q>> for Pin<P> where
    P: Deref,
    Q: Deref,
    <P as Deref>::Target: PartialOrd<<Q as Deref>::Target>, 
[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> 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, 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 PartialOrd<f32> for f32[src]

impl PartialOrd<u64> for u64[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<Ret> PartialOrd<unsafe fn() -> Ret> for unsafe fn() -> Ret[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> PartialOrd<fn(A) -> Ret> for fn(A) -> 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<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> PartialOrd<extern "C" fn(A, B) -> Ret> for extern "C" fn(A, B) -> Ret[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<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<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<Duration> for Duration[src]

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, 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 PartialOrd<usize> for usize[src]

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

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

impl PartialOrd<f64> for f64[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<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<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> PartialOrd<unsafe extern "C" fn(A) -> Ret> for unsafe extern "C" fn(A) -> Ret[src]

impl PartialOrd<bool> for bool[src]

impl PartialOrd<NoneError> for NoneError[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 PartialOrd<i64> for i64[src]

impl PartialOrd<String> for String[src]

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

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

fn partial_cmp(&self, other: &Arc<T>) -> Option<Ordering>[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)));

fn lt(&self, other: &Arc<T>) -> bool[src]

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));

fn le(&self, other: &Arc<T>) -> bool[src]

'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));

fn gt(&self, other: &Arc<T>) -> bool[src]

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));

fn ge(&self, other: &Arc<T>) -> bool[src]

'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));
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Implementors

impl PartialOrd<Ordering> for Ordering[src]

impl PartialOrd<Infallible> for Infallible[src]

impl PartialOrd<TypeId> for TypeId[src]

impl PartialOrd<Error> for Error[src]

impl PartialOrd<PhantomPinned> for PhantomPinned[src]

impl PartialOrd<NonZeroI128> for NonZeroI128[src]

impl PartialOrd<NonZeroI16> for NonZeroI16[src]

impl PartialOrd<NonZeroI32> for NonZeroI32[src]

impl PartialOrd<NonZeroI64> for NonZeroI64[src]

impl PartialOrd<NonZeroI8> for NonZeroI8[src]

impl PartialOrd<NonZeroIsize> for NonZeroIsize[src]

impl PartialOrd<NonZeroU128> for NonZeroU128[src]

impl PartialOrd<NonZeroU16> for NonZeroU16[src]

impl PartialOrd<NonZeroU32> for NonZeroU32[src]

impl PartialOrd<NonZeroU64> for NonZeroU64[src]

impl PartialOrd<NonZeroU8> for NonZeroU8[src]

impl PartialOrd<NonZeroUsize> for NonZeroUsize[src]

impl<'a, 'b> PartialOrd<&'a Path> for Cow<'b, OsStr>[src]

impl<'a, 'b> PartialOrd<&'b OsStr> for Cow<'a, OsStr>[src]

impl<'a, 'b> PartialOrd<&'b OsStr> for Cow<'a, Path>[src]

impl<'a, 'b> PartialOrd<&'b Path> for Cow<'a, Path>[src]

impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, OsStr>[src]

impl<'a, 'b> PartialOrd<OsStr> for Cow<'a, Path>[src]

impl<'a, 'b> PartialOrd<OsString> for Cow<'a, OsStr>[src]

impl<'a, 'b> PartialOrd<OsString> for Cow<'a, Path>[src]

impl<'a, 'b> PartialOrd<Path> for Cow<'a, OsStr>[src]

impl<'a, 'b> PartialOrd<Path> for Cow<'a, Path>[src]

impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, OsStr>[src]

impl<'a, 'b> PartialOrd<PathBuf> for Cow<'a, Path>[src]

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

impl<A> PartialOrd<VecDeque<A>> for VecDeque<A> where
    A: PartialOrd<A>, 
[src]

impl<K, V> PartialOrd<BTreeMap<K, V>> for BTreeMap<K, V> where
    K: PartialOrd<K>,
    V: PartialOrd<V>, 
[src]

impl<T> PartialOrd<Cell<T>> for Cell<T> where
    T: PartialOrd<T> + Copy
[src]

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

fn partial_cmp(&self, other: &RefCell<T>) -> Option<Ordering>[src]

Panics

Panics if the value in either RefCell is currently borrowed.

fn lt(&self, other: &RefCell<T>) -> bool[src]

Panics

Panics if the value in either RefCell is currently borrowed.

fn le(&self, other: &RefCell<T>) -> bool[src]

Panics

Panics if the value in either RefCell is currently borrowed.

fn gt(&self, other: &RefCell<T>) -> bool[src]

Panics

Panics if the value in either RefCell is currently borrowed.

fn ge(&self, other: &RefCell<T>) -> bool[src]

Panics

Panics if the value in either RefCell is currently borrowed.

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

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

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

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

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

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

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

Implements comparison of vectors, lexicographically.

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

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

fn partial_cmp(&self, other: &Rc<T>) -> Option<Ordering>[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)));

fn lt(&self, other: &Rc<T>) -> bool[src]

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));

fn le(&self, other: &Rc<T>) -> bool[src]

'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));

fn gt(&self, other: &Rc<T>) -> bool[src]

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));

fn ge(&self, other: &Rc<T>) -> bool[src]

'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<T, E> PartialOrd<Result<T, E>> for Result<T, E> where
    E: PartialOrd<E>,
    T: PartialOrd<T>, 
[src]

impl<Y, R> PartialOrd<GeneratorState<Y, R>> for GeneratorState<Y, R> where
    R: PartialOrd<R>,
    Y: PartialOrd<Y>, 
[src]

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