Struct freya::prelude::Write

pub struct Write<T, S = UnsyncStorage>where
    T: 'static + ?Sized,
    S: AnyStorage,{ /* private fields */ }
Expand description

A mutable reference to a signal’s value.

T is the current type of the write S is the storage type of the signal

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impl<T, S> Write<T, S>where T: 'static + ?Sized, S: AnyStorage,

pub fn map<O>( myself: Write<T, S>, f: impl FnOnce(&mut T) -> &mut O ) -> Write<O, S>where O: ?Sized,

Map the mutable reference to the signal’s value to a new type.

pub fn filter_map<O>( myself: Write<T, S>, f: impl FnOnce(&mut T) -> Option<&mut O> ) -> Option<Write<O, S>>where O: ?Sized,

Try to map the mutable reference to the signal’s value to a new type

Trait Implementations§

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impl<T, S> Deref for Write<T, S>where T: 'static + ?Sized, S: AnyStorage,

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &<Write<T, S> as Deref>::Target

Dereferences the value.
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impl<T, S> DerefMut for Write<T, S>where S: AnyStorage, T: ?Sized,

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fn deref_mut(&mut self) -> &mut <Write<T, S> as Deref>::Target

Mutably dereferences the value.

Auto Trait Implementations§

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impl<T, S = UnsyncStorage> !RefUnwindSafe for Write<T, S>

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impl<T, S = UnsyncStorage> !Send for Write<T, S>

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impl<T, S = UnsyncStorage> !Sync for Write<T, S>

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impl<T: ?Sized, S> Unpin for Write<T, S>where <S as AnyStorage>::Mut<T>: Unpin,

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impl<T, S = UnsyncStorage> !UnwindSafe for Write<T, S>

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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,

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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 Twhere 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere 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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T, O> SuperFrom<T> for Owhere O: From<T>,

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fn super_from(input: T) -> O

Convert from a type to another type.
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impl<T, O, M> SuperInto<O, M> for Twhere O: SuperFrom<T, M>,

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fn super_into(self) -> O

Convert from a type to another type.
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impl<T> To for Twhere T: ?Sized,

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fn to<T>(self) -> Twhere Self: Into<T>,

Converts to T by calling Into<T>::into.
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fn try_to<T>(self) -> Result<T, Self::Error>where Self: TryInto<T>,

Tries to convert to T by calling TryInto<T>::try_into.
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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.
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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 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.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more