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| -rw-r--r-- | gnu/packages/haskell-xyz.scm | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index eef1765a71..3f9fd167d1 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -8759,6 +8759,29 @@ of two versions of a source file. It provides a good balance between performance, nice output for humans, and simplicity of implementation.") (license license:bsd-3))) +(define-public ghc-pattern-arrows + (package + (name "ghc-pattern-arrows") + (version "0.0.2") + (source + (origin + (method url-fetch) + (uri (string-append + "mirror://hackage/package/pattern-arrows/pattern-arrows-" + version + ".tar.gz")) + (sha256 + (base32 + "13q7bj19hd60rnjfc05wxlyck8llxy11z3mns8kxg197wxrdkhkg")))) + (build-system haskell-build-system) + (home-page + "https://blog.functorial.com/posts/2013-10-27-Pretty-Printing-Arrows.html") + (synopsis "Arrows for Pretty Printing") + (description + "A library for generating concise pretty printers based on precedence +rules.") + (license license:expat))) + (define-public ghc-pcre-light (package (name "ghc-pcre-light") |