Struct compare::Then
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pub struct Then<C, D>(_, _);
A comparator that lexicographically combines two others.
See Compare::then
for an example.
Trait Implementations
impl<C: Clone, D: Clone> Clone for Then<C, D>
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fn clone(&self) -> Then<C, D>
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl<C: Copy, D: Copy> Copy for Then<C, D>
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impl<C: Default, D: Default> Default for Then<C, D>
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impl<C: PartialEq, D: PartialEq> PartialEq for Then<C, D>
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fn eq(&self, __arg_0: &Then<C, D>) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, __arg_0: &Then<C, D>) -> bool
This method tests for !=
.
impl<C: Eq, D: Eq> Eq for Then<C, D>
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impl<C: Debug, D: Debug> Debug for Then<C, D>
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impl<C, D, L: ?Sized, R: ?Sized> Compare<L, R> for Then<C, D> where
C: Compare<L, R>,
D: Compare<L, R>,
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C: Compare<L, R>,
D: Compare<L, R>,
fn compare(&self, l: &L, r: &R) -> Ordering
Compares two values, returning Less
, Equal
, or Greater
if l
is less than, equal to, or greater than r
, respectively. Read more
fn compares_lt(&self, l: &L, r: &R) -> bool
Checks if l
is less than r
.
fn compares_le(&self, l: &L, r: &R) -> bool
Checks if l
is less than or equal to r
.
fn compares_ge(&self, l: &L, r: &R) -> bool
Checks if l
is greater than or equal to r
.
fn compares_gt(&self, l: &L, r: &R) -> bool
Checks if l
is greater than r
.
fn compares_eq(&self, l: &L, r: &R) -> bool
Checks if l
is equal to r
.
fn compares_ne(&self, l: &L, r: &R) -> bool
Checks if l
is not equal to r
.
fn borrowing(self) -> Borrowing<Self, L, R> where
Self: Sized,
Self: Sized,
Borrows the comparator's parameters before comparing them. Read more
fn rev(self) -> Rev<Self> where
Self: Sized,
Self: Sized,
Reverses the ordering of the comparator. Read more
fn swap(self) -> Swap<Self> where
Self: Sized,
Self: Sized,
Swaps the comparator's parameters, maintaining the underlying ordering. Read more
fn then<D>(self, then: D) -> Then<Self, D> where
D: Compare<L, R>,
Self: Sized,
D: Compare<L, R>,
Self: Sized,
Lexicographically combines the comparator with another. Read more