libcore: fix doc for char::to_digit

Closes #3249.
2012-08-22 13:51:45 -03:00 · 2012-08-22 13:51:45 -03:00 · 493117dcda
commit 493117dcda
parent 907f5b4672
1 changed files with 1 additions and 1 deletions
--- a/src/libcore/char.rs
+++ b/src/libcore/char.rs
@ -107,7 +107,7 @@ pure fn is_digit(c: char) -> bool {
 *
 * # Safety note
 *
- * This function fails if `c` is not a valid char
+ * This function returns none if `c` is not a valid char
 *
 * # Return value
 *