Module:String: Difference between revisions

add description and whitespace handling option for len
m>Dragons flight
(fix comment)
m>Dragons flight
(add description and whitespace handling option for len)
Line 1: Line 1:
local str = {}
local str = {}


--[====[
len
This function returns the length of the target string.
Usage:
{{#invoke:String|len|target_string|}}
OR
{{#invoke:String|pos|s=target_string}}
Parameters
    s: The string whose length to report
If invoked using named parameters, Mediawiki will automatically remove any leading or
trailing whitespace from the target string. 
]====]
function str.len( frame )
function str.len( frame )
     return mw.ustring.len( frame.args.s )
    local new_args = str._getParameters( frame.args, {'s'} );
    local s = new_args['s'] or '';
     return mw.ustring.len( s )
end
end


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