diff options
Diffstat (limited to 'src/libcore/unstable/extfmt.rs')
| -rw-r--r-- | src/libcore/unstable/extfmt.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/libcore/unstable/extfmt.rs b/src/libcore/unstable/extfmt.rs index ee33e2ed20b..aefc527219e 100644 --- a/src/libcore/unstable/extfmt.rs +++ b/src/libcore/unstable/extfmt.rs @@ -520,7 +520,10 @@ pub mod rt { match cv.ty { TyDefault => uint_to_str_prec(u, 10, prec), TyHexLower => uint_to_str_prec(u, 16, prec), - TyHexUpper => str::to_upper(uint_to_str_prec(u, 16, prec)), + + // FIXME: 4318 Instead of to_str_ascii, could use + // to_str_consume to not do a unneccessary copy. + TyHexUpper => uint_to_str_prec(u, 16, prec).to_ascii().to_upper().to_str_ascii(), TyBits => uint_to_str_prec(u, 2, prec), TyOctal => uint_to_str_prec(u, 8, prec) }; |