Struct metrics::CallOnDrop

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pub struct CallOnDrop<V, F: ?Sized + Fn(&V)> {
    init_value: V,
    update_value: F,
}
Expand description

A helper struct that makes it easy to get time spent in a scope.

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§init_value: V§update_value: F

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impl<V, F: Fn(&V)> CallOnDrop<V, F>

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pub fn new(init_value: V, update_value: F) -> Self

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impl<V, F: ?Sized + Fn(&V)> Drop for CallOnDrop<V, F>

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

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impl<V, F: ?Sized> RefUnwindSafe for CallOnDrop<V, F>
where F: RefUnwindSafe, V: RefUnwindSafe,

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impl<V, F: ?Sized> Send for CallOnDrop<V, F>
where F: Send, V: Send,

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impl<V, F: ?Sized> Sync for CallOnDrop<V, F>
where F: Sync, V: Sync,

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impl<V, F: ?Sized> Unpin for CallOnDrop<V, F>
where F: Unpin, V: Unpin,

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impl<V, F: ?Sized> UnwindSafe for CallOnDrop<V, F>
where F: UnwindSafe, V: UnwindSafe,

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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<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<U> 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<U> 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<U>>::Error>

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

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.