root/trunk/iterators/sample.d

import std.stdio;

import iterators;

class Numbers {
    int n;
    this (int n0) {
        n = n0;
    }

    int iter() {
        for (int i = 1; i <= n; i++) {
            yield(i);
        }
        return 0;
    }
    mixin mainiter!(int, iter);

    alias Iterator!(double) IV;

    int iter2(IV x) {
        for (int i = 1; i <= n; i++) {
            x.yield(i*i);
        }
        return 0;
    }
    mixin inneriter!(double, iter2) squers;

    int iter3(IV x) {
        for (int i = 1; i <= n; i++) {
            x.yield(i*i*i);
        }
        return 0;
    }
    mixin inneriter!(double, iter3) qubes;
}

int main(char[][] args) {
    auto s = new Numbers(6);

    foreach (int k; s) {
        writef(k, " ");
    }
    writefln(); writefln();

    foreach (int i, double k; s.squers.ic()) {
        writef(i, ":", k, " ");
    }
    writefln(); writefln();

    foreach (int i, double k; s.qubes.ic()) {
        writef(i, ":", k, " ");
    }
    writefln(); writefln();

    return 0;
}