Add Task#[]

build_tests/tasks/tasks.rb

@@ -18,3 +18,11 @@ task "four", desc: "Task four", params: [
   puts "myparam:" + params["myparam"].inspect
   puts "myp2:" + params["myp2"].inspect
 end
+
+task "five" do
+  puts "four myparam value is #{Task["four"]["myparam"]}"
+end
+
+task "six" do |task|
+  puts task["nope"]
+end