Enum clippy_utils::higher::IfLetOrMatch
source · 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>
impl<'hir> IfLetOrMatch<'hir>
sourcepub fn parse(cx: &LateContext<'_>, expr: &Expr<'hir>) -> Option<Self>
pub fn parse(cx: &LateContext<'_>, expr: &Expr<'hir>) -> Option<Self>
Parses an if let
or match
expression
Trait Implementations§
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> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
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 bytesIfLet
: 32 bytes