slightly better deprecation message for fn syntax

rust-lang · Nov 17, 2014 · 8c467f7 · 8c467f7
1 parent 0b7b4f0
commit 8c467f7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
@@ -1229,7 +1229,8 @@ impl<'a> Parser<'a> {
     {
         if self.eat(&token::Lt) {
             if lifetime_defs.is_empty() {
-                self.warn("deprecated syntax, use `for` keyword now");
+                self.warn("deprecated syntax; use the `for` keyword now \
+                            (e.g. change `fn<'a>` to `for<'a> fn`)");
                 let lifetime_defs = self.parse_lifetime_defs();
                 self.expect_gt();
                 lifetime_defs