concat() Operation

Syntax	`set aConcatenation = aString.concat(anotherString\|LITERAL {, anotherString\|LITERAL})`
Semantics	Concatenates an arbitrary number of strings. Returns a new string. The state of the current string is not changed.
Substitutables	`aString`, `anotherString`	Can be any variable or object attribute having the type String.
Substitutables	`LITERAL`	String literal.
Examples	NONE `set aConcatenation = stringSet.s1.concat("!");`