diff options
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/parse/obsolete.rs | 8 | ||||
| -rw-r--r-- | src/libsyntax/parse/parser.rs | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/src/libsyntax/parse/obsolete.rs b/src/libsyntax/parse/obsolete.rs index 2af6d141aa1..189cc8e827c 100644 --- a/src/libsyntax/parse/obsolete.rs +++ b/src/libsyntax/parse/obsolete.rs @@ -41,7 +41,8 @@ pub enum ObsoleteSyntax { ObsoleteLoopAsContinue, ObsoleteEnumWildcard, ObsoleteStructWildcard, - ObsoleteVecDotDotWildcard + ObsoleteVecDotDotWildcard, + ObsoleteBoxedClosure, } impl to_bytes::IterBytes for ObsoleteSyntax { @@ -128,6 +129,11 @@ impl ParserObsoleteMethods for Parser { "vec slice wildcard", "use `..` instead of `.._` for matching slices" ), + ObsoleteBoxedClosure => ( + "managed or owned closure", + "managed closures have been removed and owned closures are \ + now written `proc()`" + ), }; self.report(sp, kind, kind_str, desc); diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs index 1b2e18f3ca5..2ea6878f4a3 100644 --- a/src/libsyntax/parse/parser.rs +++ b/src/libsyntax/parse/parser.rs @@ -1273,15 +1273,17 @@ impl Parser { pub fn parse_box_or_uniq_pointee(&self, sigil: ast::Sigil, ctor: &fn(v: mt) -> ty_) -> ty_ { - // ~'foo fn() or ~fn() are parsed directly as fn types: + // ~'foo fn() or ~fn() are parsed directly as obsolete fn types: match *self.token { token::LIFETIME(*) => { let lifetime = self.parse_lifetime(); + self.obsolete(*self.last_span, ObsoleteBoxedClosure); return self.parse_ty_closure(Some(sigil), Some(lifetime)); } - token::IDENT(*) => { + token::IDENT(*) if sigil == ast::BorrowedSigil => { if self.token_is_old_style_closure_keyword() { + self.obsolete(*self.last_span, ObsoleteBoxedClosure); return self.parse_ty_closure(Some(sigil), None); } } |
