PP::PPMethods#pp_hash

# File tmp/rubies/ruby-3.4.1/lib/pp.rb, line 291
def pp_hash(obj)
  group(1, '{', '}') {
    seplist(obj, nil, :each_pair) {|k, v|
      group {
        pp_hash_pair k, v
      }
    }
  }
end