PEP 3107 and stronger typing (note: probably a newbie question)
Hendrik van Rooyen
mail at microcorp.co.za
Fri Jul 13 08:37:00 CEST 2007
"Donn Cave" <donn at u...ton.edu> wrote:
>In its day, goto was of course very well loved.
Does anybody know for sure if it is in fact possible to
design a language completely free from conditional jumps?
At the lower level, I don't think you can get away with
conditional calls - hence the "jumps with dark glasses",
continue and break.
I don't think you can get that functionality in another way.
Think of solving the problem of reading a text file to find
the first occurrence of some given string - can it be done
without either break or continue? (given that you have to
stop when you have found it)
I can't think of a way, even in assembler, to do this without
using a conditional jump - but maybe my experience has
poisoned my mind, as I see the humble if statement as a plethora
of local jumps...
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