dminuoso · October 27, 2017 12:19
diff --git a/gistfile1.txt b/gistfile1.txt
 double = -> (e) { e * 2 }

 doubleF = map double
 doubleF.([1,2,3,4]) #=> [2,4,6,8]
 doubleF.([])        #=> []
 doubleF.(Just(3))   #=> Just 6
 doubleF.(Nothing)   #=> Nothing
	double = -> (e) { e * 2 }

	doubleF = map double
	doubleF.([1,2,3,4]) #=> [2,4,6,8]
	doubleF.([]) #=> []
	doubleF.(Just(3)) #=> Just 6
	doubleF.(Nothing) #=> Nothing