lib/polyfill/v2_3/array.rb in polyfill-1.2.0 vs lib/polyfill/v2_3/array.rb in polyfill-1.3.0

@@ -1,7 +1,17 @@
 module Polyfill
   module V2_3
     module Array
+      def bsearch_index
+        unless block_given?
+          return ::Enumerator.new do |yielder|
+            find_index(bsearch { |elem| yielder.yield(elem) })
+          end
+        end
+
+        find_index(bsearch(&::Proc.new))
+      end
+
       def dig(head, *rest)
         [head, *rest].reduce(self) do |value, accessor|
           next_value =
             case value
             when ::Array