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view framework/env/format/string.lua @ 87:a5106c0a9be4
Changing version number to v1.2.4
author | jbe |
---|---|
date | Fri Jul 06 12:54:11 2012 +0200 (2012-07-06) |
parents | 9fdfb27f8e67 |
children | 0c4841af07a5 |
line source
1 --[[--
2 text = -- a string
3 format.string(
4 value, -- any value where tostring(value) gives a reasonable result
5 {
6 nil_as = nil_text -- text to be returned for a nil value
7 }
8 )
10 Formats a value as a text by calling tostring(...), unless the value is nil, in which case the text returned is chosen by the 'nil_as' option.
12 --]]--
14 function format.string(str, options)
15 local options = options or {}
16 if str == nil then
17 return options.nil_as or ""
18 else
19 return tostring(str)
20 end
21 end