Implement broadcast formatter methods

src/spectator/formatting/broadcast_formatter.cr

@@ -8,5 +8,80 @@ module Spectator::Formatting
     # Takes a collection of formatters to pass events along to.
     def initialize(@formatters : Enumerable(Formatter))
     end
+
+    # Forwards the event to other formatters.
+    def start(notification)
+      @formatters.each(&.start(notification))
+    end
+
+    # :ditto:
+    def example_started(notification)
+      @formatters.each(&.example_started(notification))
+    end
+
+    # :ditto:
+    def example_finished(notification)
+      @formatters.each(&.example_finished(notification))
+    end
+
+    # :ditto:
+    def example_passed(notification)
+      @formatters.each(&.example_passed(notification))
+    end
+
+    # :ditto:
+    def example_pending(notification)
+      @formatters.each(&.example_pending(notification))
+    end
+
+    # :ditto:
+    def example_failed(notification)
+      @formatters.each(&.example_failed(notification))
+    end
+
+    # :ditto:
+    def example_error(notification)
+      @formatters.each(&.example_error(notification))
+    end
+
+    # :ditto:
+    def message(notification)
+      @formatters.each(&.message(notification))
+    end
+
+    # :ditto:
+    def stop(notification)
+      @formatters.each(&.stop(notification))
+    end
+
+    # :ditto:
+    def start_dump(notification)
+      @formatters.each(&.start_dump(notification))
+    end
+
+    # :ditto:
+    def dump_pending(notification)
+      @formatters.each(&.dump_pending(notification))
+    end
+
+    # :ditto:
+    def dump_failures(notification)
+      @formatters.each(&.dump_failures(notification))
+    end
+
+    # :ditto:
+    def dump_summary(notification)
+      @formatters.each(&.dump_summary(notification))
+    end
+
+    # :ditto:
+    def dump_profile(notification)
+      @formatters.each(&.dump_profile(notification))
+    end
+
+    # :ditto:
+    def close(notification)
+      @formatters.each(&.close(notification))
+    end
   end
 end