tree 5707cb9f5d9edd79821bbad7922c6747d12c42c2
parent 4045d7fea2d798f0f0fb793125234ef0780ff06e
author Lee, Byoung-young <darklin20@gmail.com> 1499824918 +0900
committer Victor Zverovich <victor.zverovich@gmail.com> 1499987411 -0400

Fix undefined behavior in UDL macro

`FMT_USE_USER_DEFINED_LITERALS` macro expands to `defined()` which is undefined behavior.