Finding the instance reference of an object
tjreedy at udel.edu
Wed Nov 5 19:43:23 CET 2008
Dennis Lee Bieber wrote:
> I'm sure all the programmers using FORTRAN for the last 50 years
> will be very surprised to hear that it uses call-by-value!
That should be 'last 31 years'. Fortran IV *was* call-by-value, as
least for scalars. I remember spending a couple of hours tracking down
an obscure 'bug' in a once-working program when I ran it with F77. (I
had not noticed the call-by-reference switch.) The reason was, as I
remember, 'x = -x' in a function. I never forgot the difference.
> I've used it for 30 years
Then you apparently missed the switch ;-).
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