pub struct WhileLet<'hir> {
    pub let_pat: &'hir Pat<'hir>,
    pub let_expr: &'hir Expr<'hir>,
    pub if_then: &'hir Expr<'hir>,
}
Expand description

A desugared while let loop

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§let_pat: &'hir Pat<'hir>

while let loop item pattern

§let_expr: &'hir Expr<'hir>

while let loop scrutinee

§if_then: &'hir Expr<'hir>

while let loop body

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impl<'hir> WhileLet<'hir>

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pub const fn hir(expr: &Expr<'hir>) -> Option<Self>

Parses a desugared while let loop

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impl<'hir> RefUnwindSafe for WhileLet<'hir>

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impl<'hir> !Send for WhileLet<'hir>

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impl<'hir> !Sync for WhileLet<'hir>

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impl<'hir> Unpin for WhileLet<'hir>

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impl<'hir> UnwindSafe for WhileLet<'hir>

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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 Twhere 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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes