method

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v1_8_6_287 - Show latest stable - 0 notes - Class: Array

|(p1) public

<a href="/ruby/Set">Set</a> Union—Returns a new array by joining this array with other_array, removing duplicates.

   [ "a", "b", "c" ] | [ "c", "d", "a" ]
          #=> [ "a", "b", "c", "d" ]

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/* 
 *  call-seq:
 *     array | other_array     ->  an_array
 *
 *  Set Union---Returns a new array by joining this array with
 *  other_array, removing duplicates.
 *
 *     [ "a", "b", "c" ] | [ "c", "d", "a" ]
 *            #=> [ "a", "b", "c", "d" ]
 */

static VALUE
rb_ary_or(ary1, ary2)
    VALUE ary1, ary2;
{
    VALUE hash, ary3;
    VALUE v, vv;
    long i;

    ary2 = to_ary(ary2);
    ary3 = rb_ary_new2(RARRAY(ary1)->len+RARRAY(ary2)->len);
    hash = ary_make_hash(ary1, ary2);

    for (i=0; i<RARRAY(ary1)->len; i++) {
        v = vv = rb_ary_elt(ary1, i);
        if (st_delete(RHASH(hash)->tbl, (st_data_t*)&vv, 0)) {
            rb_ary_push(ary3, v);
        }
    }
    for (i=0; i<RARRAY(ary2)->len; i++) {
        v = vv = rb_ary_elt(ary2, i);
        if (st_delete(RHASH(hash)->tbl, (st_data_t*)&vv, 0)) {
            rb_ary_push(ary3, v);
        }
    }
    return ary3;
}

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