Message generator chokes on processing disjunction

[flash-gordon]

Taken from dry-rb/dry-validation#280

(Dry::Schema.define { required(:foo) { str? & filled? | int? } }).call({}).messages

Traceback (most recent call last):
        17: from ./bin/console:40:in `<main>'
        16: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/result.rb:117:in `messages'
        15: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/result.rb:142:in `message_set'
        14: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:45:in `call'
        13: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:45:in `map'
        12: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:45:in `block in call'
        11: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:50:in `visit'
        10: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:79:in `visit_and'
         9: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:79:in `map'
         8: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:79:in `block in visit_and'
         7: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:50:in `visit'
         6: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:62:in `visit_hint'
         5: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:50:in `visit'
         4: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:137:in `visit_key'
         3: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:50:in `visit'
         2: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:93:in `visit_or'
         1: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:93:in `new'

[flash-gordon]

This is another one

schema = Dry::Schema.define do
  required(:attributes).schema do
    optional(:text) { int? | nil? }
  end
end

schema.({}).messages

         9: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/result.rb:117:in `messages'
         8: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/result.rb:142:in `message_set'
         7: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_compiler.rb:45:in `call'
         6: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:22:in `[]'
         5: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:22:in `new'
         4: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:34:in `initialize'
         3: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:107:in `initialize_placeholders!'
         2: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:107:in `reduce'
         1: from /Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:107:in `each'
/Users/gordon/dev/dry-rb/dry-schema/lib/dry/schema/message_set.rb:114:in `block in initialize_placeholders!': no implicit conversion of Symbol into Integer (TypeError)