clippy_utils::higher

Enum VecArgs

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pub enum VecArgs<'a> {
    Repeat(&'a Expr<'a>, &'a Expr<'a>),
    Vec(&'a [Expr<'a>]),
}
Expand description

Represents the pre-expansion arguments of a vec! invocation.

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Repeat(&'a Expr<'a>, &'a Expr<'a>)

vec![elem; len]

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Vec(&'a [Expr<'a>])

vec![a, b, c]

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impl<'a> VecArgs<'a>

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pub fn hir(cx: &LateContext<'_>, expr: &'a Expr<'_>) -> Option<VecArgs<'a>>

Returns the arguments of the vec! macro if this expression was expanded from vec!.

Auto Trait Implementations§

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impl<'a> Freeze for VecArgs<'a>

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impl<'a> RefUnwindSafe for VecArgs<'a>

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impl<'a> !Send for VecArgs<'a>

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impl<'a> !Sync for VecArgs<'a>

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impl<'a> Unpin for VecArgs<'a>

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impl<'a> UnwindSafe for VecArgs<'a>

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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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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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: 24 bytes

Size for each variant:

  • Repeat: 16 bytes
  • Vec: 16 bytes