pub struct MinComparator;
Expand description

For T that implements Ord, you can use this struct to quickly set up a min heap.

Trait Implementations§

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impl Clone for MinComparator

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fn clone(&self) -> MinComparator

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<T: Ord> Compare<T, T> for MinComparator

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fn compare(&self, a: &T, b: &T) -> Ordering

Compares two values, returning Less, Equal, or Greater if l is less than, equal to, or greater than r, respectively.
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fn compares_lt(&self, l: &L, r: &R) -> bool

Checks if l is less than r.
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fn compares_le(&self, l: &L, r: &R) -> bool

Checks if l is less than or equal to r.
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fn compares_ge(&self, l: &L, r: &R) -> bool

Checks if l is greater than or equal to r.
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fn compares_gt(&self, l: &L, r: &R) -> bool

Checks if l is greater than r.
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fn compares_eq(&self, l: &L, r: &R) -> bool

Checks if l is equal to r.
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fn compares_ne(&self, l: &L, r: &R) -> bool

Checks if l is not equal to r.
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fn borrowing(self) -> Borrowing<Self, L, R>where Self: Sized,

Borrows the comparator’s parameters before comparing them. Read more
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fn rev(self) -> Rev<Self>where Self: Sized,

Reverses the ordering of the comparator. Read more
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fn swap(self) -> Swap<Self>where Self: Sized,

Swaps the comparator’s parameters, maintaining the underlying ordering. Read more
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fn then<D>(self, then: D) -> Then<Self, D>where D: Compare<L, R>, Self: Sized,

Lexicographically combines the comparator with another. Read more
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impl Debug for MinComparator

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for MinComparator

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fn default() -> MinComparator

Returns the “default value” for a type. Read more
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impl PartialEq<MinComparator> for MinComparator

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fn eq(&self, other: &MinComparator) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for MinComparator

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impl Eq for MinComparator

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impl StructuralEq for MinComparator

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impl StructuralPartialEq for MinComparator

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.