End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →
instance method
Array#|
array | other_array → new_array
array.c
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static VALUE
rb_ary_or(VALUE ary1, VALUE ary2)
{
VALUE hash, ary3;
ary2 = to_ary(ary2);
if (RARRAY_LEN(ary1) + RARRAY_LEN(ary2) <= SMALL_ARRAY_LEN) {
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);
ary3 = rb_hash_values(hash);
ary_recycle_hash(hash);
return ary3;
}
Returns the union of array and Array other_array; duplicates are removed; order is preserved; items are compared using eql?:
Example
[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: Array#union.