|(p1)
public
Set Union—Returns a new array by joining this array with
other_ary, removing duplicates.
[ "a", "b", "c" ] | [ "c", "d", "a" ]
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static VALUE
rb_ary_or(VALUE ary1, VALUE ary2)
{
VALUE hash, ary3, v;
st_data_t vv;
long i;
ary2 = to_ary(ary2);
ary3 = rb_ary_new2(RARRAY_LEN(ary1)+RARRAY_LEN(ary2));
hash = ary_add_hash(ary_make_hash(ary1), ary2);
for (i=0; i<RARRAY_LEN(ary1); i++) {
vv = (st_data_t)(v = rb_ary_elt(ary1, i));
if (st_delete(RHASH_TBL(hash), &vv, 0)) {
rb_ary_push(ary3, v);
}
}
for (i=0; i<RARRAY_LEN(ary2); i++) {
vv = (st_data_t)(v = rb_ary_elt(ary2, i));
if (st_delete(RHASH_TBL(hash), &vv, 0)) {
rb_ary_push(ary3, v);
}
}
ary_recycle_hash(hash);
return ary3;
}