标签: haskell
我有以下代码段:
*Main Lib> let myList = [1, 2, id 1] :: [Integer] *Main Lib> let myList' = myList ++ undefined *Main Lib> :sprint myList' myList' = _
为什么myList没有得到评估?
myList
这也是:
*Main Lib> x = 45 *Main Lib> :sprint x x = _