lib/polyfill/v2_3/enumerable.rb in polyfill-0.6.0 vs lib/polyfill/v2_3/enumerable.rb in polyfill-0.7.0

@@ -1,9 +1,54 @@
-require_relative 'enumerable/instance'
-
 module Polyfill
   module V2_3
     module Enumerable
-      include Instance
+      def chunk_while
+        block = ::Proc.new
+
+        enum_count =
+          begin
+            size
+          rescue NameError
+            count
+          end
+
+        return [self] if enum_count == 1
+
+        ::Enumerator.new do |yielder|
+          output = []
+          each_cons(2).with_index(1) do |(a, b), run|
+            if run == enum_count - 1
+              if block.call(a, b)
+                output.push(a, b)
+                yielder << output
+              else
+                output.push(a)
+                yielder << output
+                yielder << [b]
+              end
+            else
+              output.push(a)
+              unless block.call(a, b)
+                yielder << output
+                output = []
+              end
+            end
+          end
+        end
+      end
+
+      def grep_v(pattern)
+        output = to_a - grep(pattern)
+        output.map!(&::Proc.new) if block_given?
+        output
+      end
+
+      def slice_before(*args)
+        if !args.empty? && block_given?
+          raise ArgumentError, 'wrong number of arguments (given 1, expected 0)'
+        end
+
+        super
+      end
     end
   end
 end