Closely related to the session module is the package management functionality (which is derived from scripths). Since we are using the system GHCi process we can control what packages are visible to it by giving it custom package environments. When a package is installed we run cabal install --lib –package-env= then restart the GHCi session. This is the recommended way (at time of writing) of making GHCi play well with packages.
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，更多细节参见WPS下载最新地址
A12-13·深读SourcePh" style="display:none"，这一点在WPS下载最新地址中也有详细论述
1. Funny formation，推荐阅读51吃瓜获取更多信息
var tasks []task