slightly better deprecation message for fn syntax

2014-11-16 23:01:37 -05:00 · 2014-11-16 23:01:37 -05:00 · 8c467f75e3
commit 8c467f75e3
parent 0b7b4f075a
1 changed files with 2 additions and 1 deletions
--- 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