Fix a whitespace typo

diff --git a/src/libcollections/string.rs b/src/libcollections/string.rs
index e5c2d98519163926720ceccbbd5c78194e8d1ece..d9aea8b0a28a3143d3ec7b8087502f82f8933a9e 100644 (file)
--- a/src/libcollections/string.rs
+++ b/src/libcollections/string.rs
@@ -688,7 +688,7 @@ pub unsafe fn shift_byte(&mut self) -> Option<u8> {
     /// assert_eq!(s.shift_char(), Some('o'));
     /// assert_eq!(s.shift_char(), None);
     /// ```
-    pub fn shift_char (&mut self) -> Option<char> {
+    pub fn shift_char(&mut self) -> Option<char> {
         let len = self.len();
         if len == 0 {
             return None