BEGIN SEQUENCE - END SEQUENCE IN CLIPPER PROVIDES AN ABSOLUTE LOOP EXIT
AS IN
BEGSEQ
DO WHILE .T.
IF .NOT. WHATEVER
DO WHILE WHATEVER
IF .NOT. CALL FNC1() .OR. WHATEVER
EXIT
ENDIF
ENDDO
WHATEVER
MORE CONDITIONAL EXITS AND BREAKS
ENDDO
ENDSEQ
FUNCTION FNC1()
CONDITIONAL
BREAK
END CONDITIONAL
RET .T.
ENDFNC
A DO WHILE IN CLIP AND FOX GET YOU ONLY TO ITS OWN ENDDO, BUT THE BREAK
CARRIES YOU TO ITS END SEQ NO MATTER WHAT. SUPER FOR DEEPLY NESTED STUFF
WE USE FOR PROCESS CONTROL.
PLEASE HOW DOES FOX DO THIS. MY SOLUTIONS ARE NOT ELEGANT AND THEREFORE
ERROR PRONE.
SEPAPHORES: - MESSY
LOOP AND SEMAPHORES:- NOT NICE EITHER
GOTO:- HEAVEN AND FOX FORBID
CALL TO C: WOULD BE NICE WE HAVE USED CLIPPER -C EXTENSIVELY, BUT THAT
ROUTE IS IN FOX EITHER.
IF NOT FOX OR CLIPPER WHAT HOPE IT THERE ???
WILLIAM TORMEY.
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