[][src]Struct druid::lens::Identity

pub struct Identity;

The identity lens: the lens which does nothing, i.e. exposes exactly the original value.

Useful for starting a lens combinator chain, or passing to lens-based interfaces.

Trait Implementations

impl Clone for Identity[src]

impl Copy for Identity[src]

impl Debug for Identity[src]

impl<A: ?Sized> Lens<A, A> for Identity[src]

Auto Trait Implementations

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> RoundFrom<T> for T

impl<T, U> RoundInto<U> for T where
    U: RoundFrom<T>, 

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

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.

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.