Struct devela::_libstd::collections::binary_heap::PeekMut

1.12.0 · source ·

pub struct PeekMut<'a, T, A = Global>where
    T: 'a + Ord,
    A: Allocator,
{ /* private fields */ }

Expand description

Structure wrapping a mutable reference to the greatest item on a BinaryHeap.

This struct is created by the peek_mut method on BinaryHeap. See its documentation for more.

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impl<'a, T, A> PeekMut<'a, T, A>
where T: Ord, A: Allocator,

1.18.0 · source

pub fn pop(this: PeekMut<'a, T, A>) -> T

Removes the peeked value from the heap and returns it.

Trait Implementations§

1.17.0 · source§

impl<T, A> Debug for PeekMut<'_, T, A>
where T: Ord + Debug, A: Allocator,

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

Formats the value using the given formatter. Read more

1.12.0 · source§

impl<T, A> Deref for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

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type Target = T

The resulting type after dereferencing.

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fn deref(&self) -> &T

Dereferences the value.

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impl<T, A> DerefMut for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

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

Mutably dereferences the value.

1.12.0 · source§

impl<T, A> Drop for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<'a, T, A> Freeze for PeekMut<'a, T, A>

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impl<'a, T, A> RefUnwindSafe for PeekMut<'a, T, A>
where A: RefUnwindSafe, T: RefUnwindSafe,

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impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>

Blanket Implementations§

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impl<T> Also for T

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fn also_mut<F: FnOnce(&mut Self)>(self, f: F) -> Self

Applies a function which takes the parameter by exclusive reference, and then returns the (possibly) modified owned value. Read more

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fn also_ref<F: FnOnce(&Self)>(self, f: F) -> Self

Applies a function which takes the parameter by shared reference, and then returns the (possibly) modified owned value. Read more

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impl<T> Any for T
where 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, Res> Apply<Res> for T
where T: ?Sized,

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fn apply<F: FnOnce(Self) -> Res>(self, f: F) -> Res
where Self: Sized,

Apply a function which takes the parameter by value.

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fn apply_ref<F: FnOnce(&Self) -> Res>(&self, f: F) -> Res

Apply a function which takes the parameter by shared reference.

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fn apply_mut<F: FnOnce(&mut Self) -> Res>(&mut self, f: F) -> Res

Apply a function which takes the parameter by exclusive reference.

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

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impl<T> ByteSized for T

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const BYTE_ALIGN: usize = _

The alignment of this type in bytes.

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const BYTE_SIZE: usize = _

The size of this type in bytes.

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const PTR_BYTES: usize = 4usize

The size of a pointer in bytes, for the current platform.

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const PTR_BITS: usize = 32usize

The size of a pointer in bits, for the current platform.

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const LITTLE_ENDIAN: bool = true

True if the system’s architecture is little-endian.

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const BIG_ENDIAN: bool = false

True if the system’s architecture is big-endian.

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fn byte_align(&self) -> usize ⓘ

Returns the alignment of this type in bytes.

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fn byte_size(&self) -> usize ⓘ

Returns the size of this type in bytes. Read more

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fn ptr_size_ratio(&self) -> [usize; 2]

Returns the size ratio between PTR_BYTES and BYTE_SIZE. Read more

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impl<T> ExtAny for T
where T: Any + ?Sized,

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fn type_of(&self) -> TypeId

Returns the TypeId of self. Read more

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fn type_name(&self) -> &'static str

Returns the type name of self. Read more

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fn type_is<T: 'static>(&self) -> bool

Returns true if Self is of type T. Read more

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fn as_any_ref(&self) -> &dyn Any
where Self: Sized,

Upcasts &self as &dyn Any. Read more

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fn as_any_mut(&mut self) -> &mut dyn Any
where Self: Sized,

Upcasts &mut self as &mut dyn Any. Read more

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fn as_any_box(self: Box<Self>) -> Box<dyn Any>
where Self: Sized,

Upcasts Box<self> as Box<dyn Any>. Read more

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fn downcast_ref<T: 'static>(&self) -> Option<&T>

Available on crate feature unsafe_dyn only.

Returns some shared reference to the inner value if it is of type T. Read more

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fn downcast_mut<T: 'static>(&mut self) -> Option<&mut T>

Available on crate feature unsafe_dyn only.

Returns some exclusive reference to the inner value if it is of type T. Read more

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impl<T> ExtMem for T
where T: ?Sized,

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const NEEDS_DROP: bool = _

Know whether dropping values of this type matters, in compile-time.

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fn mem_needs_drop(&self) -> bool

Returns true if dropping values of this type matters. Read more

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fn mem_drop(self)
where Self: Sized,

Drops self by running its destructor. Read more

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fn mem_forget(self)
where Self: Sized,

Forgets about self without running its destructor. Read more

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fn mem_replace(&mut self, other: Self) -> Self
where Self: Sized,

Replaces self with other, returning the previous value of self. Read more

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fn mem_take(&mut self) -> Self
where Self: Default,

Replaces self with its default value, returning the previous value of self. Read more

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fn mem_swap(&mut self, other: &mut Self)
where Self: Sized,

Swaps the value of self and other without deinitializing either one. Read more

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fn mem_as_bytes(&self) -> &[u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.

View a Sync + Unpin self as &[u8]. Read more

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fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: Sync + Unpin,

Available on crate feature unsafe_slice only.

View a Sync + Unpin self as &mut [u8].

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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, U> TryFrom for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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impl<T, U> TryInto for T
where U: TryFrom<T>,

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type Error = >::Error

The type returned in the event of a conversion error.

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

Performs the conversion.

Struct devela::_libstd::collections::binary_heap::PeekMutCopy item path

Implementations§

impl<'a, T, A> PeekMut<'a, T, A>where T: Ord, A: Allocator,

pub fn pop(this: PeekMut<'a, T, A>) -> T

Trait Implementations§

impl<T, A> Debug for PeekMut<'_, T, A>where T: Ord + Debug, A: Allocator,

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

impl<T, A> Deref for PeekMut<'_, T, A>where T: Ord, A: Allocator,

type Target = T

fn deref(&self) -> &T

impl<T, A> DerefMut for PeekMut<'_, T, A>where T: Ord, A: Allocator,

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

impl<T, A> Drop for PeekMut<'_, T, A>where T: Ord, A: Allocator,

fn drop(&mut self)

Auto Trait Implementations§

impl<'a, T, A> Freeze for PeekMut<'a, T, A>

impl<'a, T, A> RefUnwindSafe for PeekMut<'a, T, A>where A: RefUnwindSafe, T: RefUnwindSafe,

impl<'a, T, A> Send for PeekMut<'a, T, A>where A: Send, T: Send,

impl<'a, T, A> Sync for PeekMut<'a, T, A>where A: Sync, T: Sync,

impl<'a, T, A> Unpin for PeekMut<'a, T, A>

impl<'a, T, A = Global> !UnwindSafe for PeekMut<'a, T, A>

Blanket Implementations§

impl<T> Also for T

fn also_mut<F: FnOnce(&mut Self)>(self, f: F) -> Self

fn also_ref<F: FnOnce(&Self)>(self, f: F) -> Self

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

fn type_id(&self) -> TypeId

impl<T, Res> Apply<Res> for Twhere T: ?Sized,

fn apply<F: FnOnce(Self) -> Res>(self, f: F) -> Reswhere Self: Sized,

fn apply_ref<F: FnOnce(&Self) -> Res>(&self, f: F) -> Res

fn apply_mut<F: FnOnce(&mut Self) -> Res>(&mut self, f: F) -> Res

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

impl<T> ByteSized for T

const BYTE_ALIGN: usize = _

const BYTE_SIZE: usize = _

const PTR_BYTES: usize = 4usize

const PTR_BITS: usize = 32usize

const LITTLE_ENDIAN: bool = true

const BIG_ENDIAN: bool = false

fn byte_align(&self) -> usize ⓘ

fn byte_size(&self) -> usize ⓘ

fn ptr_size_ratio(&self) -> [usize; 2]

impl<T> ExtAny for Twhere T: Any + ?Sized,

fn type_of(&self) -> TypeId

fn type_name(&self) -> &'static str

fn type_is<T: 'static>(&self) -> bool

fn as_any_ref(&self) -> &dyn Anywhere Self: Sized,

fn as_any_mut(&mut self) -> &mut dyn Anywhere Self: Sized,

fn as_any_box(self: Box<Self>) -> Box<dyn Any>where Self: Sized,

fn downcast_ref<T: 'static>(&self) -> Option<&T>

fn downcast_mut<T: 'static>(&mut self) -> Option<&mut T>

impl<T> ExtMem for Twhere T: ?Sized,

const NEEDS_DROP: bool = _

fn mem_needs_drop(&self) -> bool

fn mem_drop(self)where Self: Sized,

fn mem_forget(self)where Self: Sized,

fn mem_replace(&mut self, other: Self) -> Selfwhere Self: Sized,

fn mem_take(&mut self) -> Selfwhere Self: Default,

fn mem_swap(&mut self, other: &mut Self)where Self: Sized,

fn mem_as_bytes(&self) -> &[u8] ⓘwhere Self: Sync + Unpin,

fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘwhere Self: Sync + Unpin,

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

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

Struct devela::_libstd::collections::binary_heap::PeekMut

impl<'a, T, A> PeekMut<'a, T, A>
where T: Ord, A: Allocator,

impl<T, A> Debug for PeekMut<'_, T, A>
where T: Ord + Debug, A: Allocator,

impl<T, A> Deref for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

impl<T, A> DerefMut for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

impl<T, A> Drop for PeekMut<'_, T, A>
where T: Ord, A: Allocator,

impl<'a, T, A> RefUnwindSafe for PeekMut<'a, T, A>
where A: RefUnwindSafe, T: RefUnwindSafe,

impl<'a, T, A> Send for PeekMut<'a, T, A>
where A: Send, T: Send,

impl<'a, T, A> Sync for PeekMut<'a, T, A>
where A: Sync, T: Sync,

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

impl<T, Res> Apply<Res> for T
where T: ?Sized,

fn apply<F: FnOnce(Self) -> Res>(self, f: F) -> Res
where Self: Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T> ExtAny for T
where T: Any + ?Sized,

fn as_any_ref(&self) -> &dyn Any
where Self: Sized,

fn as_any_mut(&mut self) -> &mut dyn Any
where Self: Sized,

fn as_any_box(self: Box<Self>) -> Box<dyn Any>
where Self: Sized,

impl<T> ExtMem for T
where T: ?Sized,

fn mem_drop(self)
where Self: Sized,

fn mem_forget(self)
where Self: Sized,

fn mem_replace(&mut self, other: Self) -> Self
where Self: Sized,

fn mem_take(&mut self) -> Self
where Self: Default,

fn mem_swap(&mut self, other: &mut Self)
where Self: Sized,

fn mem_as_bytes(&self) -> &[u8] ⓘ
where Self: Sync + Unpin,

fn mem_as_bytes_mut(&mut self) -> &mut [u8] ⓘ
where Self: Sync + Unpin,

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

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,