larcus94/TTTAttributedLabel — comment on commit f4ba54e00282d04cb76203251b9452727a9c375b
File: TTTAttributedLabel.m line 32
By mattt:

We may be able to do better than iterating each character individually. At least in my first reading, `NSAttributedString -enumerateAttribute:inRange:options:usingBlock:` would be able to enumerate every group of substrings with a particular font attribute.