pub enum IfLetOrMatch<'hir> {
    Match(&'hir Expr<'hir>, &'hir [Arm<'hir>], MatchSource),
    IfLet(&'hir Expr<'hir>, &'hir Pat<'hir>, &'hir Expr<'hir>, Option<&'hir Expr<'hir>>),
}
Expand description

An if let or match expression. Useful for lints that trigger on one or the other.

Variants§

§

Match(&'hir Expr<'hir>, &'hir [Arm<'hir>], MatchSource)

Any match expression

§

IfLet(&'hir Expr<'hir>, &'hir Pat<'hir>, &'hir Expr<'hir>, Option<&'hir Expr<'hir>>)

scrutinee, pattern, then block, else block

Implementations§

source§

impl<'hir> IfLetOrMatch<'hir>

source

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

Parses an if let or match expression

Trait Implementations§

source§

impl<'hir> Debug for IfLetOrMatch<'hir>

source§

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

§

impl<'hir> RefUnwindSafe for IfLetOrMatch<'hir>

§

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

§

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

§

impl<'hir> Unpin for IfLetOrMatch<'hir>

§

impl<'hir> UnwindSafe for IfLetOrMatch<'hir>

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

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

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere 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 Twhere 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, U> TryFrom<U> for Twhere 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 Twhere 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: 40 bytes

Size for each variant:

  • Match: 32 bytes
  • IfLet: 32 bytes