UnicodeStrSlice: add width() and graphemes() methods#15619
Merged
bors merged 2 commits intorust-lang:masterfrom Jul 16, 2014 
kwantam:master
Merged
UnicodeStrSlice: add width() and graphemes() methods#15619bors merged 2 commits intorust-lang:masterfrom kwantam:master
bors merged 2 commits intorust-lang:masterfrom 
kwantam:master