Enum clippy_utils::ExprUseNode

source ·
pub enum ExprUseNode<'tcx> {
    LetStmt(&'tcx LetStmt<'tcx>),
    ConstStatic(OwnerId),
    Return(OwnerId),
    Field(&'tcx ExprField<'tcx>),
    FnArg(&'tcx Expr<'tcx>, usize),
    MethodArg(HirId, Option<&'tcx GenericArgs<'tcx>>, usize),
    Callee,
    FieldAccess(Ident),
    Expr,
    Other,
}
Expand description

The node which consumes a value.

Variants§

§

LetStmt(&'tcx LetStmt<'tcx>)

Assignment to, or initializer for, a local

§

ConstStatic(OwnerId)

Initializer for a const or static item.

§

Return(OwnerId)

Implicit or explicit return from a function.

§

Field(&'tcx ExprField<'tcx>)

Initialization of a struct field.

§

FnArg(&'tcx Expr<'tcx>, usize)

An argument to a function.

§

MethodArg(HirId, Option<&'tcx GenericArgs<'tcx>>, usize)

An argument to a method.

§

Callee

The callee of a function call.

§

FieldAccess(Ident)

Access of a field.

§

Expr

§

Other

Implementations§

source§

impl<'tcx> ExprUseNode<'tcx>

source

pub fn is_return(&self) -> bool

Checks if the value is returned from the function.

source

pub fn is_recv(&self) -> bool

Checks if the value is used as a method call receiver.

source

pub fn defined_ty(&self, cx: &LateContext<'tcx>) -> Option<DefinedTy<'tcx>>

Gets the needed type as it’s defined without any type inference.

Auto Trait Implementations§

§

impl<'tcx> Freeze for ExprUseNode<'tcx>

§

impl<'tcx> RefUnwindSafe for ExprUseNode<'tcx>

§

impl<'tcx> Send for ExprUseNode<'tcx>

§

impl<'tcx> Sync for ExprUseNode<'tcx>

§

impl<'tcx> Unpin for ExprUseNode<'tcx>

§

impl<'tcx> UnwindSafe for ExprUseNode<'tcx>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

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

source§

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

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

impl<T, U> Into<U> for T
where U: From<T>,

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source§

impl<T> IntoEither for T

source§

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
source§

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
source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

§

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

The type returned in the event of a conversion error.
source§

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:

  • LetStmt: 16 bytes
  • ConstStatic: 8 bytes
  • Return: 8 bytes
  • Field: 16 bytes
  • FnArg: 24 bytes
  • MethodArg: 24 bytes
  • Callee: 0 bytes
  • FieldAccess: 16 bytes
  • Expr: 0 bytes
  • Other: 0 bytes