Module:Sandbox/Luis150902
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Information
Uses Module:Arguments and Module:Yesno.
Usage
{{#invoke:Sandbox|function_name|args}}
, where function_name is "f" followed by a natural number (N) and args is a pipe-separated list of arguments.
N = 1
Gets the length, in characters, of the first argument.
N = 2
Counts its arguments.
N = 3
Performs the operation specified by the first argument in the remaining arguments.
Available operations: "+", "-", "*", "/", "%", "!" (boolean NOT).