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| -rw-r--r-- | gnu/packages/haskell-xyz.scm | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index 716d14d7fb..03ae83d50e 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -9690,6 +9690,40 @@ are not exception safe and can be broken by @code{killThread}.") (description "Reasonably fast data encoding library.") (license license:bsd-3))) +(define-public ghc-say + (package + (name "ghc-say") + (version "0.1.0.1") + (source + (origin + (method url-fetch) + (uri (string-append + "https://hackage.haskell.org/package/say/say-" + version + ".tar.gz")) + (sha256 + (base32 + "1r5kffjfwpas45g74sip8glrj1m9nygrnxjm7xgw898rq9pnafgn")))) + (build-system haskell-build-system) + (native-inputs + `(("ghc-hspec" ,ghc-hspec) + ("hspec-discover" ,hspec-discover) + ("ghc-unliftio" ,ghc-unliftio))) + (home-page "https://github.com/fpco/say") + (synopsis + "Send textual messages to a Handle in a thread-friendly way") + (description + "A thread safe API to write a line of textual data to a Handle, such +as sending some messages to the terminal - that has the following properties: +@itemize +@item Properly handle character encoding settings on the Handle +@item For reasonably sized messages, ensure that the entire message is written + in one chunk to avoid interleaving data with other threads +@item Avoid unnecessary memory allocations and copies +@item Minimize locking. +@end itemize") + (license license:expat))) + (define-public ghc-scientific (package (name "ghc-scientific") |