我的Haskell的安装无法找到操作系统GHC找不到安装的模块
$ ghci
GHCi, version 7.6.3: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :m +Data.ByteString.Lazy
<no location info>:
Could not find module `Data.ByteString.Lazy'
It is not a module in the current program, or in any known package.
但我已经安装了用yum这个模块安装字节字符串模块:
$ rpm -ql ghc-bytestring
/usr/lib64/ghc-7.6.3/bytestring-0.10.0.2
/usr/lib64/ghc-7.6.3/bytestring-0.10.0.2/libHSbytestring-0.10.0.2-ghc7.6.3.so
/usr/share/doc/ghc-bytestring
/usr/share/doc/ghc-bytestring/LICENSE
有什么不对?
不错,就是这样。我不会发现,因为“devel”我为“Data.Text”添加了一个示例。这有点令人惊讶,因为我认为Haskell更像Java,当你编写新代码时,它很少需要'devel'包,而不是C++。 –