Struct PatternBinding
pub struct PatternBinding {
pub kind: PatternBindingKind,
pub span: Span,
}Expand description
A single binding inside a variant pattern. Two surface forms:
name (positional — bind the i-th payload field) and
fieldName: bindName (named — bind the named payload field).
Both forms also accept _ as the bind name to discard.
Fields§
§kind: PatternBindingKindSource form: positional or named.
span: SpanImplementations§
§impl PatternBinding
impl PatternBinding
pub fn local_name(&self) -> &Ident
pub fn local_name(&self) -> &Ident
The local name introduced by this binding (used for scope).
_ is a sentinel for “no binding”; callers should compare against it.
pub fn is_wildcard(&self) -> bool
Trait Implementations§
§impl Clone for PatternBinding
impl Clone for PatternBinding
§fn clone(&self) -> PatternBinding
fn clone(&self) -> PatternBinding
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreAuto Trait Implementations§
impl Freeze for PatternBinding
impl RefUnwindSafe for PatternBinding
impl Send for PatternBinding
impl Sync for PatternBinding
impl Unpin for PatternBinding
impl UnsafeUnpin for PatternBinding
impl UnwindSafe for PatternBinding
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