import std.stdio;

void main () {

    auto ra = [ 'a', 'b', 'c', 'd', 'e', ];

    writefln("length of ra is %s", ra.length);
    writeln();

    write("A:  ");
    foreach (i;  0 .. ra.length) {
        writef("'%s' @ index %d  ", ra[i], i);
        }
    writeln();

    write("B:  ");
    foreach (i, e;  ra[ 0 .. $ ]) {
        writef("ra[%d] == '%s'  ", i, e);
        }
    writeln();

    write("C:  ");
    foreach (i, e;  ra) {
        writef("ra[%d] == '%s'  ", i, e);
        }

    }