Struct lazy_wrap::LazyWrap

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pub struct LazyWrap<T, F = &'static dyn Fn() -> T> { /* private fields */ }

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impl<T> LazyWrap<T>

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pub const fn const_new(init: &'static dyn Fn() -> T) -> Self

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impl<T, F> LazyWrap<T, F>
where F: Fn() -> T,

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pub fn new(init: F) -> Self

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pub fn ensure_initialised(&self)

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pub fn is_initialised(&self) -> bool

Trait Implementations§

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impl<T, F> Deref for LazyWrap<T, F>
where F: Fn() -> T,

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type Target = T

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<T, F> DerefMut for LazyWrap<T, F>
where F: Fn() -> T,

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<T, F> Drop for LazyWrap<T, F>

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<T, F> Send for LazyWrap<T, F>
where T: Send,

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impl<T, F> Sync for LazyWrap<T, F>
where T: Sync,

Auto Trait Implementations§

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impl<T, F = &'static dyn Fn() -> T> !RefUnwindSafe for LazyWrap<T, F>

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impl<T, F> Unpin for LazyWrap<T, F>
where F: Unpin, T: Unpin,

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impl<T, F> UnwindSafe for LazyWrap<T, F>
where F: UnwindSafe, T: UnwindSafe,

Blanket Implementations§

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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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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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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<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.