RefMut

core::cell

Struct RefMut 

1.6.0 · Source 
pub struct RefMut<'b, T: ?Sized + 'b> { /* private fields */ }
Expand description

A wrapper type for a mutably borrowed value from a RefCell<T>.

See the module-level documentation for more.

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1.0.0 (const: unstable) · Source§

impl<T: ?Sized> Deref for RefMut<'_, T>

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &T

Dereferences the value.
1.0.0 (const: unstable) · Source§

impl<T: ?Sized> DerefMut for RefMut<'_, T>

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

Mutably dereferences the value.

Auto Trait Implementations§

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impl<'b, T> Freeze for RefMut<'b, T>
where T: ?Sized,

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impl<'b, T> !Send for RefMut<'b, T>

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impl<'b, T> !Sync for RefMut<'b, T>

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impl<'b, T> Unpin for RefMut<'b, T>
where T: Unpin + ?Sized,

Blanket Implementations§

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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<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types #44874)
The target type on which the method may be called.
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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.