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Implement multiple patterns with | in if let and while let

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This commit is contained in:
Vadim Petrochenkov
2018-02-24 03:12:35 +03:00
parent 063deba92e
commit 8640a51ff8
12 changed files with 231 additions and 128 deletions
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8
src/libsyntax/fold.rs
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@@ -1210,8 +1210,8 @@ pub fn noop_fold_expr<T: Folder>(Expr {id, node, span, attrs}: Expr, folder: &mu
folder.fold_block(tr),
fl.map(|x| folder.fold_expr(x)))
}
ExprKind::IfLet(pat, expr, tr, fl) => {
ExprKind::IfLet(folder.fold_pat(pat),
ExprKind::IfLet(pats, expr, tr, fl) => {
ExprKind::IfLet(pats.move_map(|pat| folder.fold_pat(pat)),
folder.fold_expr(expr),
folder.fold_block(tr),
fl.map(|x| folder.fold_expr(x)))
@@ -1221,8 +1221,8 @@ pub fn noop_fold_expr<T: Folder>(Expr {id, node, span, attrs}: Expr, folder: &mu
folder.fold_block(body),
opt_label.map(|label| folder.fold_label(label)))
}
ExprKind::WhileLet(pat, expr, body, opt_label) => {
ExprKind::WhileLet(folder.fold_pat(pat),
ExprKind::WhileLet(pats, expr, body, opt_label) => {
ExprKind::WhileLet(pats.move_map(|pat| folder.fold_pat(pat)),
folder.fold_expr(expr),
folder.fold_block(body),
opt_label.map(|label| folder.fold_label(label)))