如何修复错误“Variable not in scope: md5 :: C8.ByteString -> a0”?
luckypoem · 2016-11-23 18:20:10 +08:00 · 4870 次点击这是一个创建于 2948 天前的主题，其中的信息可能已经有所发展或是发生改变。
各位好。
git clone https://github.com/ian-ross/blog ian-ross-blog
cd ian-ross-blog
cd build
i modified blog.hs:
delete "import System.Locale (defaultTimeLocale)"
change "import Data.Time.Format (formatTime)" to be
"import Data.Time.Format (formatTime, defaultTimeLocale)"
then i ran "ghc --make blog.hs",
root@AR:/usr/local/ian-ross-blog/build# ghc --make blog.hs
[1 of 2] Compiling TikZ ( TikZ.hs, TikZ.o )
TikZ.hs:148:23: error:
Variable not in scope: md5 :: C8.ByteString -> a0
root@AR:/usr/local/ian-ross-blog/build#
那么，如何修复错误“ Variable not in scope: md5 :: C8.ByteString -> a0 ”?
git clone https://github.com/ian-ross/blog ian-ross-blog
cd ian-ross-blog
cd build
i modified blog.hs:
delete "import System.Locale (defaultTimeLocale)"
change "import Data.Time.Format (formatTime)" to be
"import Data.Time.Format (formatTime, defaultTimeLocale)"
then i ran "ghc --make blog.hs",
root@AR:/usr/local/ian-ross-blog/build# ghc --make blog.hs
[1 of 2] Compiling TikZ ( TikZ.hs, TikZ.o )
TikZ.hs:148:23: error:
Variable not in scope: md5 :: C8.ByteString -> a0
root@AR:/usr/local/ian-ross-blog/build#
那么，如何修复错误“ Variable not in scope: md5 :: C8.ByteString -> a0 ”?
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