"Strong typing vs. strong testing"
zzbbaadd at aol.com
Thu Sep 30 07:51:28 CEST 2010
> More specifically, the claim made above:
> > in C I can have a function maximum(int a, int b) that will always
> > work. Never blow up, and never give an invalid answer.
> is false. And it is not necessary to invoke the vagaries of run-time
> input to demonstrate that it is false.
I don't think you demonstrated it is false. Any values larger than an
int get truncated before they ever get to maximum. The problem does
not lie with the maximum function. It correctly returns the maximum of
whatever two integers it is provided. Calling it with values that are
larger than an int, that get converted to an int _before_ maximum is
called, is an issue outside of maximum.
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