On Tuesday, 3 February 2015 at 14:01:51 UTC, bearophile wrote:
Paul:

        enum WORLDSIZE = 20;
        enum INITIALPOP = 70;   //experimental
        enum DEAD = 0;
        enum ALIVE = 1;

D enums don't need to be ALL UPPERCASE :-)


        int world[WORLDSIZE][WORLDSIZE];

Don't forget to compile with warnings active (it's a design error of the D compiler to have them disabled by default).


        foreach(i; 0..INITIALPOP){

It's less bug-prone to make that index immutable:

        foreach(immutable i; 0 .. initialPop) {

Bye,
bearophile

Thanks for the comments. The all-caps enums is just habit. I don't get any warnings using the dmd -w switch, I take it you mean use int[size][size] var instead?

Regarding the immutable loop variable, I've conditioned myself never to interfere with loop control values - it gives me the same bad feeling as goto/continue (and to a lesser extent 'break').


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