[ label ] return [ expression ] ;
A function body must contain a RETURN -statement.
No value is returned.
RETURN ;
The return value is that of value .
RETURN value ;
The return value is the result of the function my_function .
RETURN my_function( data, 5 pF ) ;
The return value is the sum a + b + 5 ns .
RETURN a + b + 5 ns ;
The return value is a chained string.
RETURN "author name : " & name ;