syntax: Warn on deprecated ~ exprs. rust-lang#11779

brson · brson · commit faa23b54f576 · 2014-05-02T23:01:00.000-07:00
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
@@ -2262,6 +2262,8 @@ impl<'a> Parser<'a> {
               }
               _ => self.mk_unary(UnUniq, e)
             };
+
+            self.span_warn(e.span, "deprecated `~` expression. Use `box` instead.");
           }
           token::IDENT(_, _) if self.is_keyword(keywords::Box) => {
             self.bump();

Original file line number	Diff line number	Diff line change
`@@ -2262,6 +2262,8 @@ impl<'a> Parser<'a> {`
`2262`	`2262`	`}`
`2263`	`2263`	`_ => self.mk_unary(UnUniq, e)`
`2264`	`2264`	`};`
	`2265`	`+`
	`2266`	+ self.span_warn(e.span, "deprecated `~` expression. Use `box` instead.");
`2265`	`2267`	`}`
`2266`	`2268`	`token::IDENT(_, _) if self.is_keyword(keywords::Box) => {`
`2267`	`2269`	`self.bump();`