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Remove redundant matching

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This commit is contained in:
Cameron Steffen 2021-10-13 14:45:35 -05:00
parent 313e71a253
commit c75a734a43
1 changed files with 10 additions and 16 deletions
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26
compiler/rustc_expand/src/expand.rs
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@ -1087,25 +1087,19 @@ impl<'a, 'b> InvocationCollector<'a, 'b> {
let MacCallStmt { mac, style, attrs, .. } = mac.into_inner();
Ok((style == MacStmtStyle::Semicolon, mac, attrs.into()))
}
StmtKind::Item(ref item) if matches!(item.kind, ItemKind::MacCall(..)) => {
match stmt.kind {
StmtKind::Item(item) => match item.into_inner() {
ast::Item { kind: ItemKind::MacCall(mac), attrs, .. } => {
Ok((mac.args.need_semicolon(), mac, attrs))
}
_ => unreachable!(),
},
StmtKind::Item(item) if matches!(item.kind, ItemKind::MacCall(..)) => {
match item.into_inner() {
ast::Item { kind: ItemKind::MacCall(mac), attrs, .. } => {
Ok((mac.args.need_semicolon(), mac, attrs))
}
_ => unreachable!(),
}
}
StmtKind::Semi(ref expr) if matches!(expr.kind, ast::ExprKind::MacCall(..)) => {
match stmt.kind {
StmtKind::Semi(expr) => match expr.into_inner() {
ast::Expr { kind: ast::ExprKind::MacCall(mac), attrs, .. } => {
Ok((mac.args.need_semicolon(), mac, attrs.into()))
}
_ => unreachable!(),
},
StmtKind::Semi(expr) if matches!(expr.kind, ast::ExprKind::MacCall(..)) => {
match expr.into_inner() {
ast::Expr { kind: ast::ExprKind::MacCall(mac), attrs, .. } => {
Ok((mac.args.need_semicolon(), mac, attrs.into()))
}
_ => unreachable!(),
}
}