APL\360

Fred Cisin cisin at xenosoft.com
Fri Jan 29 15:14:29 CST 2021


>> Early versions of BASIC had a keyword "LET".    LET X = 3   is devoid of
>> most of the ambiguity, and LET 3 = X is much less likely to be
>> attempted. 'Course, changing the values of constants opens up some
>> strange possibilities!

On Fri, 29 Jan 2021, Chuck Guzis via cctalk wrote:
> SUBROUTINE FOO(X)
> INTEGER X
> X=15
> RETURN
> END
> ...
> CALL FOO(10)
>
> Lots of fun, there.

I said that LET made redefining constants LESS likely, just because it 
clarifies that it is an assignment to be done.  There are other ways.
Redefining constants permits fixing a number of things,
such as 42
WHATDOYOUGETWHENYOUMULTIPLYSIXBYNINE


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