End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

Hash#to_hash

hash.to_hash → self

static VALUE
rb_hash_to_hash(VALUE hash)
{
    return hash;
}

Returns self.

See also #to_h #to_proc #to_a #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1