Struct zng_app::event::StaticCommandMetaVarId

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pub struct StaticCommandMetaVarId<T: StateValue + VarValue>(/* private fields */);
Expand description

Lazy inited CommandMetaVarId.

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impl<T: StateValue + VarValue> StaticCommandMetaVarId<T>

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pub const fn new_unique() -> Self

New static CommandMetaVarId, an unique ID will be generated on the first get.

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pub fn get(&self) -> CommandMetaVarId<T>

Gets or generates the unique ID.

Trait Implementations§

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impl<T: StateValue + VarValue> From<&'static StaticCommandMetaVarId<T>> for CommandMetaVarId<T>

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fn from(st: &'static StaticCommandMetaVarId<T>) -> CommandMetaVarId<T>

Converts to this type from the input type.

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

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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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Calls U::from(self).

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize = _

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type Init = T

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

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type Error = <U as TryFrom<T>>::Error

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impl<T> StateValue for T
where T: Any + Send + Sync + 'static,