[Haskell-beginners] first number is a list

[Roelof Wobben]

Hello,  I have to find the first number is a list. So first I tried :  let mylast = last [1,2,3,4]mylast  This one works but you have to give 2 commands. So i was thinking about using list compreshion. So I did :  [x | x <- [1,2,3,4] , last ] But then I see these error :  Could not match expected type "Bool" with actual type [a0] -> a0 in the expression last in stdn of a list compreshion last in the expression : [x | x <- [1,2,3,4] , last ] What is my thinking error ? Roelof  		 	   		  
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