PP::PPMethods#pp_hash

# File tmp/rubies/ruby-3.1.3/lib/pp.rb, line 281
def pp_hash(obj)
  group(1, '{', '}') {
    seplist(obj, nil, :each_pair) {|k, v|
      group {
        pp k
        text '=>'
        group(1) {
          breakable ''
          pp v
        }
      }
    }
  }
end