RETURN expression | string-expression
RETURN is used to return control back to the statement immediately following a previous GOSUB call. When used in combination with GOSUB, A GOSUB call must always have a matching RETURN statement, to avoid stack
If the RETURN is inside a function, an integer, single or string expression is expected.
RETURN will exit a FUNCTION or SUB even when inside a component statement such as WHILE, FOR, SELECT ...
If a RETURN is executed without a corresponding GOSUB or CALL, a Prefetch Abort error will stop your program.