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Universal callback wrapper.
`Rc` wrapper used to make it clonable.Methods
impl<IN> Callback<IN>
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pub fn emit(&self, value: IN)
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This method calls the actual callback.
pub fn noop() -> Callback<IN>
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Creates a no-op callback which can be used when it is not suitable to use an
Option<Callback>
.
impl<IN> Callback<IN> where
IN: 'static,
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IN: 'static,
pub fn reform<F, T>(&self, func: F) -> Callback<T> where
F: Fn(T) -> IN + 'static,
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F: Fn(T) -> IN + 'static,
Changes input type of the callback to another.
Works like common map
method but in an opposite direction.
Trait Implementations
impl<IN> Clone for Callback<IN>
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impl<IN> Debug for Callback<IN>
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impl<IN, F> From<F> for Callback<IN> where
F: 'static + Fn(IN),
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F: 'static + Fn(IN),
impl<IN> PartialEq<Callback<IN>> for Callback<IN>
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Auto Trait Implementations
impl<IN> !RefUnwindSafe for Callback<IN>
impl<IN> !Send for Callback<IN>
impl<IN> !Sync for Callback<IN>
impl<IN> Unpin for Callback<IN>
impl<IN> !UnwindSafe for Callback<IN>
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Any for T where
T: Any,
T: Any,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> CloneAny for T where
T: Clone + Any,
T: Clone + Any,
impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,