lib/fear/struct.rb in fear-1.2.0 vs lib/fear/struct.rb in fear-2.0.0

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
+require "fear/pattern_match"
+
 module Fear
   # Structs are like regular classes and good for modeling immutable data.
   #
   # A minimal struct requires just a list of attributes:
   #
@@ -34,33 +36,20 @@
   #     admin_john = john.copy(admin: true)
   #
   #     john.admin #=> false
   #     admin_john.admin #=> true
   #
-  # It's possible to match against struct attributes. The following example extracts email from
-  # user only if user is admin
-  #
-  #     john = User.new(id: 2, email: '[e-mail]', admin: false)
-  #     john.match |m|
-  #       m.xcase('Fear::Struct(_, email, true)') do |email|
-  #         email
-  #       end
-  #     end
-  #
-  # Note, parameters got extracted in order they was defined.
-  #
   class Struct
     include PatternMatch.mixin
 
     @attributes = [].freeze
 
     class << self
       # @param base [Fear::Struct]
       # @api private
       def inherited(base)
         base.instance_variable_set(:@attributes, attributes)
-        Fear.register_extractor(base, Fear.case(base, &:to_a).lift)
       end
 
       # Defines attribute
       #
       # @param name [Symbol]
@@ -130,10 +119,10 @@
     #   john.admin #=> false
     #   admin_john = john.copy(admin: true)
     #   admin_john.admin #=> true
     #
     def copy(**attributes)
-      self.class.new(to_h.merge(attributes))
+      self.class.new(**to_h.merge(attributes))
     end
 
     # Returns the struct attributes as an array of symbols
     # @return [<Symbol>]
     #