Use kwargs

lib/dry/struct.rb

@@ -145,7 +145,7 @@ def initialize(attributes)
     #   rom_n_roda[:title] #=> 'Web Development with ROM and Roda'
     #   rom_n_roda[:subtitle] #=> nil
     def [](name)
-      @attributes.fetch(name) { raise MissingAttributeError, {name: name, klass: self.class} }
+      @attributes.fetch(name) { raise MissingAttributeError.new(attribute: name, klass: self.class) }
     end
 
     # Converts the {Dry::Struct} to a hash with keys representing

lib/dry/struct/errors.rb

@@ -16,8 +16,8 @@ def initialize(key)
 
     # Raised when a struct doesn't have an attribute
     class MissingAttributeError < ::KeyError
-      def initialize(data)
-        super("Missing attribute: #{data[:name].inspect} on #{data[:klass]}")
+      def initialize(attribute:, klass:)
+        super("Missing attribute: #{attribute.inspect} on #{klass}")
       end
     end