🚀 go-pugleaf

hasdi@news-server.engin.umich.edu (HASDI RODZMANN HASHIM) wrote:

>Hi guys! I think my earlier post got lost so here it is again.... This is
>for a student compiler project of mine.... 

>If you have a choice, do you want the parethesis pair over the caster
>(C-style) or over the castee (Pascal-style)? eg...

>int a;
>float b;

>a = (int)b; /* cast to int */
>a = int(b); /* allowable in C++ */

>...as for Pascal...
>a := integer(b); { "a" in an integer and "b" is a real }

>Thanx!

Hi,
I like the pascal version because you can easily see what you are
actually typecasting e.g.

a := 10000; b := 10000;
c := longint(a * b);     { Bad, overflow occurs before typecast }
c := longint(a) * b;     { Good, typecast then multiply }

I don't know how you distinguish between these cases in C++ (I have
never done any serious programming in C).
        Jes R Klinke