Struct CounterGuard

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pub struct CounterGuard<'a>(/* private fields */);

Expand description

A guard that decrements a Counter when dropped.

Returned by Counter::increment_scoped.

Trait Implementations§

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impl CloseValue for &CounterGuard<'_>

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type Closed = u64

The type produced by closing this value

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fn close(self) -> Self::Closed

Close the value

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impl CloseValue for CounterGuard<'_>

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type Closed = u64

The type produced by closing this value

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fn close(self) -> Self::Closed

Close the value

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impl Drop for CounterGuard<'_>

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fn drop(&mut self)

Executes the destructor for this type. Read more

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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

Auto Trait Implementations§

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impl<'a> UnwindSafe for CounterGuard<'a>

Blanket Implementations§

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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> 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<C, T> CloseValueRef for T
where &'a T: for<'a> CloseValue<Closed = C>,

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type Closed = C

The type produced by closing this value

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fn close_ref(&self) -> <T as CloseValueRef>::Closed

Close the value

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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