Method: Array#|

Defined in:
array.c

#|(other_array) ⇒ Object

Returns the union of self and other_array; duplicates are removed; order is preserved; items are compared using eql?:

[0, 1] | [2, 3] # => [0, 1, 2, 3]
[0, 1, 1] | [2, 2, 3] # => [0, 1, 2, 3]
[0, 1, 2] | [3, 2, 1, 0] # => [0, 1, 2, 3]

Related: see Methods for Combining.



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# File 'array.c', line 5760

static VALUE
rb_ary_or(VALUE ary1, VALUE ary2)
{
    VALUE hash;

    ary2 = to_ary(ary2);
    if (RARRAY_LEN(ary1) + RARRAY_LEN(ary2) <= SMALL_ARRAY_LEN) {
        VALUE ary3 = rb_ary_new();
        rb_ary_union(ary3, ary1);
        rb_ary_union(ary3, ary2);
        return ary3;
    }

    hash = ary_make_hash(ary1);
    rb_ary_union_hash(hash, ary2);

    return rb_hash_values(hash);
}