The notcpp package
notcpp is a library that attempts to provide an alternative to using CPP as a mechanism for conditional compilation. It provides facilities for determining if specific names or class instances exist and responding accordingly.
When a value or class instance appears between minor releases of a third-party package, a common way of dealing with the problem is to use CPP to conditionally use one block of code or another. The trouble with CPP is it's hard to statically analyse: tools based on haskell-src-exts will outright refuse to parse it, for example. It turns out Template Haskell will do the same job in some cases.
|Versions||0.0.1, 0.1, 0.1.0.1, 0.2, 0.2.0.1, 0.2.0.2, 0.2.0.3|
|Dependencies||base (<5), template-haskell (==2.7.*) [details]|
|Copyright||2012 Ben Millwood|
|Author||Ben Millwood <email@example.com>|
|Maintainer||Ben Millwood <firstname.lastname@example.org>|
|Source repository||head: git clone git://github.com/benmachine/notcpp|
|Uploaded||Fri Apr 13 20:28:26 UTC 2012 by BenMillwood|
|Downloads||1328 total (1 in the last 30 days)|
|Status||Docs uploaded by user
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