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问题描述

--Compute for Rectangular Area
main = do
        putStr $ "Length: "
        len <- getLine
        putStr $ "Width: "
        wid <- getLine
        putStr $ getArea len wid

getArea a b = a * b



这是我的代码.

当我在WinHugs中加载它时..



this is my code..

when i load it in WinHugs..

ERROR file:{Hugs}\packages\bin\RecArea.hs:2 - Unresolved top-level overloading
*** Binding             : main
*** Outstanding context : Num [Char]




我该怎么办?..




what should i do?..

推荐答案





这是我的代码.

当我在WinHugs中加载它时..



this is my code..

when i load it in WinHugs..

ERROR file:{Hugs}\packages\bin\RecArea.hs:2 - Unresolved top-level overloading
*** Binding             : main
*** Outstanding context : Num [Char]




我该怎么办?..




what should i do?..


这篇关于Haskell编码..请帮助的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!

10-23 06:02