[−][src]Enum druid::KeyOrValue
Either a concrete T
or a Key<T>
that can be resolved in the Env
.
This is a way to allow widgets to interchangeably use either a specific value or a value from the environment for some purpose.
Variants
A concrete Value
of type T
.
Key(Key<T>)
Implementations
impl<T: ValueType> KeyOrValue<T>
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pub fn resolve(&self, env: &Env) -> T
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Resolve the concrete type T
from this KeyOrValue
, using the provided
Env
if required.
Trait Implementations
impl<T: Clone> Clone for KeyOrValue<T>
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pub fn clone(&self) -> KeyOrValue<T>
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pub fn clone_from(&mut self, source: &Self)
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impl<T: Debug> Debug for KeyOrValue<T>
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impl<T: ValueType> From<Key<T>> for KeyOrValue<T>
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pub fn from(key: Key<T>) -> KeyOrValue<T>
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impl<T: Into<Value>> From<T> for KeyOrValue<T>
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pub fn from(value: T) -> KeyOrValue<T>
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impl<T: PartialEq> PartialEq<KeyOrValue<T>> for KeyOrValue<T>
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pub fn eq(&self, other: &KeyOrValue<T>) -> bool
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pub fn ne(&self, other: &KeyOrValue<T>) -> bool
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impl<T> StructuralPartialEq for KeyOrValue<T>
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Auto Trait Implementations
impl<T> RefUnwindSafe for KeyOrValue<T> where
T: RefUnwindSafe,
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T: RefUnwindSafe,
impl<T> Send for KeyOrValue<T> where
T: Send,
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T: Send,
impl<T> Sync for KeyOrValue<T> where
T: Sync,
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T: Sync,
impl<T> Unpin for KeyOrValue<T> where
T: Unpin,
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T: Unpin,
impl<T> UnwindSafe for KeyOrValue<T> where
T: UnwindSafe,
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T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> AnyEq for T where
T: PartialEq<T> + Any,
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T: PartialEq<T> + Any,
pub fn equals(&self, other: &(dyn Any + 'static)) -> bool
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pub fn as_any(&self) -> &(dyn Any + 'static)
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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,
pub fn borrow_mut(&mut self) -> &mut T
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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> RoundFrom<T> for T
pub fn round_from(x: T) -> T
impl<T, U> RoundInto<U> for T where
U: RoundFrom<T>,
U: RoundFrom<T>,
pub fn round_into(self) -> U
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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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub 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.
pub 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>,