Enum IfLetOrMatch

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>>, Span),
}

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>>, Span)

scrutinee, pattern, then block, else block

Tuple Fields

0: &'hir Expr<'hir>

1: &'hir Pat<'hir>

2: &'hir Expr<'hir>

3: Option<&'hir Expr<'hir>>

4: Span

if let PAT = EXPR ^^^^^^^^^^^^^^

Implementations

impl<'hir> IfLetOrMatch<'hir>

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

Parses an if let or match expression

Trait Implementations

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

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

Formats the value using the given formatter.

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: 40 bytes
• IfLet: 40 bytes