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handle tuple patterns with ellipsis

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This commit is contained in:
Josh Mcguigan 2020-04-12 08:40:09 -07:00
parent 268b798729
commit ee822d19b7
4 changed files with 141 additions and 58 deletions
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6
crates/ra_hir_def/src/expr.rs
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@ -374,7 +374,7 @@ pub struct RecordFieldPat {
pub enum Pat {
Missing,
Wild,
Tuple(Vec<PatId>),
Tuple { args: Vec<PatId>, ellipsis: Option<usize> },
Or(Vec<PatId>),
Record { path: Option<Path>, args: Vec<RecordFieldPat>, ellipsis: bool },
Range { start: ExprId, end: ExprId },
@ -382,7 +382,7 @@ pub enum Pat {
Path(Path),
Lit(ExprId),
Bind { mode: BindingAnnotation, name: Name, subpat: Option<PatId> },
TupleStruct { path: Option<Path>, args: Vec<PatId> },
TupleStruct { path: Option<Path>, args: Vec<PatId>, ellipsis: Option<usize> },
Ref { pat: PatId, mutability: Mutability },
}
@ -393,7 +393,7 @@ impl Pat {
Pat::Bind { subpat, .. } => {
subpat.iter().copied().for_each(f);
}
Pat::Or(args) | Pat::Tuple(args) | Pat::TupleStruct { args, .. } => {
Pat::Or(args) | Pat::Tuple { args, .. } | Pat::TupleStruct { args, .. } => {
args.iter().copied().for_each(f);
}
Pat::Ref { pat, .. } => f(*pat),