Avoid unnecessary calculation

2018-03-04 09:43:29 +09:00
parent 683bdc7f0a
commit 3d58543d49
1 changed files with 3 additions and 3 deletions
--- a/src/liballoc/str.rs
+++ b/src/liballoc/str.rs
@@ -2113,9 +2113,9 @@ impl str {
                    (buf.as_mut_ptr() as *mut u8).add(buf.len()),
                    rem_len,
                );
-                // `buf.len() + rem_len` equals to `buf.capacity()` (`self.len() * n`).
-                let buf_len = buf.len();
-                buf.set_len(buf_len + rem_len);
+                // `buf.len() + rem_len` equals to `buf.capacity()` (`= self.len() * n`).
+                let buf_cap = buf.capacity();
+                buf.set_len(buf_cap);
            }
        }