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

§let_span: Span

while let PAT = EXPR ^^^^^^^^^^^^^^

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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>

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.

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: 32 bytes