Append

From OxeyeWiki

WChar:append(value, ...)
Appends data to the string.
Parameter	Expected Type	Description
value	An integer, a number, a string or another WChar object	The data to append. The parameter can be of different types, and will be converted to the corresponding Unicode string.
...	Same as above	You may add several parameters in the call to this function. They will be appended after each other, with a space between them.
Returns
Returns nothing.

Example

   local age = 32
   local text = WChar("Hello ")
   text:append("John ")
   text:append(WChar("Smith, "))
   text:append(age)
   text:append(" years old")

   print(text:toString()) -- Outputs "Hello John Smith, 32 years old"