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| author | Nick Cameron <ncameron@mozilla.com> | 2014-09-15 20:48:58 +1200 |
|---|---|---|
| committer | Nick Cameron <ncameron@mozilla.com> | 2014-09-19 11:15:49 +1200 |
| commit | 31a7e38759cc50b5135e73232dc9fa98e5154710 (patch) | |
| tree | de88798e8cd58d71183206f7084a647994d01212 /src/libsyntax/fold.rs | |
| parent | af3889f6979647b9bd2dc5f5132d80e3e5b405a5 (diff) | |
| download | rust-31a7e38759cc50b5135e73232dc9fa98e5154710.tar.gz rust-31a7e38759cc50b5135e73232dc9fa98e5154710.zip | |
Implement slicing syntax.
`expr[]`, `expr[expr..]`, `expr[..expr]`,`expr[expr..expr]` Uses the Slice and SliceMut traits. Allows ... as well as .. in range patterns.
Diffstat (limited to 'src/libsyntax/fold.rs')
| -rw-r--r-- | src/libsyntax/fold.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/libsyntax/fold.rs b/src/libsyntax/fold.rs index 3beba5bcda4..c71910779c2 100644 --- a/src/libsyntax/fold.rs +++ b/src/libsyntax/fold.rs @@ -1242,6 +1242,12 @@ pub fn noop_fold_expr<T: Folder>(Expr {id, node, span}: Expr, folder: &mut T) -> ExprIndex(el, er) => { ExprIndex(folder.fold_expr(el), folder.fold_expr(er)) } + ExprSlice(e, e1, e2, m) => { + ExprSlice(folder.fold_expr(e), + e1.map(|x| folder.fold_expr(x)), + e2.map(|x| folder.fold_expr(x)), + m) + } ExprPath(pth) => ExprPath(folder.fold_path(pth)), ExprBreak(opt_ident) => ExprBreak(opt_ident.map(|x| folder.fold_ident(x))), ExprAgain(opt_ident) => ExprAgain(opt_ident.map(|x| folder.fold_ident(x))), |