import std.stdio;

void main () {

    int[int] a = [ 1:0, 3:2, 5:4, ];

    foreach (k, v;  a) {
        writefln("%d => %d", k, v);
        }

    }

##</code><code>##

C:\@Work\DMD2\learn\PM\nmm_7280>pm1115263_1
1 => 0
3 => 2
5 => 4