API tostring

Returns the string representation of any value.
 s = tostring(arg);
==Arguments==
:; arg:Any - Value to convert to a string.
==Returns==
:; s: - string representation of the argument; possibly provided by the argument's metatable.
==Example==
 tostring(123) --Returns "123"
 tostring({}) --Returns "table: ###"
 tostring(function() end) --Returns "function: ###"
 tostring(nil) --Returns "nil"
 tostring(true) --Returns "true"