Call: Difference between revisions
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'''Description''' | '''Description''' | ||
CALL is an explicit method of executing a FUNCTION procedure or a SUB procedure. The required component, ''procedurename'', is any procedure name. The optional component, ''argList'', is a comma-delimited list of variables to pass to the called procedure. The CALL keyword is optional, procedures can be executed without the keyword, as | CALL is an explicit method of executing a FUNCTION procedure or a SUB procedure. The required component, ''procedurename'', is any procedure name. The optional component, ''argList'', is a comma-delimited list of variables to pass to the called procedure. The CALL keyword is optional, procedures can be executed without the keyword, as | ||
Revision as of 03:52, 29 June 2012
CALL procedurename[(argList)]
Description
CALL is an explicit method of executing a FUNCTION procedure or a SUB procedure. The required component, procedurename, is any procedure name. The optional component, argList, is a comma-delimited list of variables to pass to the called procedure. The CALL keyword is optional, procedures can be executed without the keyword, as
name[(argList)]
Example
REM CALL Example
'CALL explicitly executes a procedure
CALL Welcome
CALL Message("NS Basic/App Studio is excellent.")
Wave
FUNCTION Welcome
PRINT "Hello World!"
END FUNCTION
FUNCTION Message(Text)
PRINT "Message: " & Text
END FUNCTION
SUB Wave
PRINT "Goodbye! "
END SUB
Output
Hello World! Message: NS Basic/App Studio is excellent. Goodbye!