liquid_feedback_frontend: de8602f8d9bb env/util/trim.lua

liquid_feedback_frontend

Make trim properly handle nil as an argument

author	Ingo Bormuth <mail@ibormuth.de>
date	Sun Nov 27 13:33:42 2011 +0100 (2011-11-27)
parents	0ee1e0c42d4c
children

line source

1 function util.trim(string)

2 if string == nil then

3 return string

4 end

5 return (string:gsub("^%s*", ""):gsub("%s*$", ""):gsub("%s+", " "))