Language Reference |
RETURN Statement |
The RETURN statement causes a program to return to a previous calling point.
The RETURN statement with an operand is used in function modules that return a value. The operand can be a variable name or an expression. It is evaluated and the value is returned. The RETURN statement without an argument is used to return from a user-defined subroutine.
You can also use the RETURN statement in conjunction with a LINK statement. If a LINK statement has been issued, the RETURN statement returns control to the statement that follows the LINK statement. See the description of the LINK statement. Also, see Chapter 6 for details.
If a RETURN statement is encountered outside of a module, execution is stopped as with a STOP statement.
The following examples use the RETURN statement to exit from modules:
start sum1(a, b); sum = a+b; return(sum); finish; start sum2(s, a, b); s = a+b; return; finish; x = sum1(2, 3); run sum2(y, 4, 5); print x y;
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