pub struct Unit;
Expand description
A Lens
that always yields ().
This is useful when you wish to have a display only widget, require a type-erased widget, or obtain app data out of band and ignore your input. (E.g sub-windows)
Trait Implementations§
impl Copy for Unit
Auto Trait Implementations§
impl RefUnwindSafe for Unit
impl Send for Unit
impl Sync for Unit
impl Unpin for Unit
impl UnwindSafe for Unit
Blanket Implementations§
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
source§fn in_current_span(self) -> Instrumented<Self> ⓘ
fn in_current_span(self) -> Instrumented<Self> ⓘ
§impl<T> RoundFrom<T> for T
impl<T> RoundFrom<T> for T
§fn round_from(x: T) -> T
fn round_from(x: T) -> T
Performs the conversion.
§impl<T, U> RoundInto<U> for Twhere
U: RoundFrom<T>,
impl<T, U> RoundInto<U> for Twhere U: RoundFrom<T>,
§fn round_into(self) -> U
fn round_into(self) -> U
Performs the conversion.