Forces <data> to be a string data type with the following semantics:
- If <data> is a string then <data> itself is returned.
- If <data> is an integer then its decimal representation is returned.
- If <data> is a real then its decimal floating-point representation is returned.
- If <data> is a boolean then the string "1" is returned for a true value and the string "0" for a false value.
- If <data> is nothing (unset) then an empty string is returned
- If <data> is an array then a string with all the items converted to strings and separated by commas is returned
- If <data> is a hash then a string with all the values converted to strings and separated by commas is returned
- If <data> is a hobject then the string "object" is returned
Note that since KVIrc does most of the casting work automatically
you shouldn't need to use this function.
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