compact

/*
 *  call-seq:
 *     array.compact     ->  an_array
 *
 *  Returns a copy of _self_ with all +nil+ elements removed.
 *
 *     [ "a", nil, "b", nil, "c", nil ].compact
 *                       #=> [ "a", "b", "c" ]
 */

static VALUE
rb_ary_compact(ary)
    VALUE ary;
{
    ary = rb_ary_dup(ary);
    rb_ary_compact_bang(ary);
    return ary;
}