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authorAlexandru-Sergiu Marton <brown121407@gmail.com>2020-01-01 18:49:51 +0200
committerBrett Gilio <brettg@gnu.org>2020-01-01 22:25:07 -0600
commit4da75228eff7ed924e4cf9e66b6ed5693a5d1174 (patch)
treece448a2839a47e3f58185d196453421eb400062c /gnu/packages/haskell-xyz.scm
parentd2536ed15d82973e4bfab3e7859e98b82074946f (diff)
gnu: Add ghc-say.
* gnu/packages/haskell-xyz.scm (ghc-say): New variable. Signed-off-by: Brett Gilio <brettg@gnu.org>
Diffstat (limited to 'gnu/packages/haskell-xyz.scm')
-rw-r--r--gnu/packages/haskell-xyz.scm34
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")