https://issues.dlang.org/show_bug.cgi?id=11229
Jack Stouffer <j...@jackstouffer.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |j...@jackstouffer.com --- Comment #2 from Jack Stouffer <j...@jackstouffer.com> --- The single character version of toLower and isAlpha were already optimized for ASCII, but isNumber wasn't: https://github.com/D-Programming-Language/phobos/pull/4137 --