I am the first hoskel programmer. I have written some useful code for the last six months and I want to issue a library to him. Code system will use the installation cable as any Haskell library. The library with cables has been released, in which there is a meta data file where libraries and their versions have a logical definition.
A developer usually uses a set libraries regardless of how it is compiled successfully for some set libraries or not to know how this tiresome set cares about a set of libraries?
I can check the version class specified in the .cabal
file The best way is to try to install the package.
The cage will ignore any package installed on your machine, which is not specifically specified from your package details file.
For example, if you have somepackage-2.1
installed, but specifies your .cabal
file somepackage & gt; = 1.0 & amp; Amp; & Lt; 2.0
, cabal-install will attempt to download a version of the package from that category. This means that you will not accidentally use a package that is on your machine, but not specified in the package details.
Installing the package is easy, you just . You can run
file. cabal install
from the directory containing the Cabal
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