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-rw-r--r--gnu/packages/haskell.scm35
1 files changed, 35 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index c16a291563..63d4360182 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -18,6 +18,7 @@
;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2018, 2019 Gabriel Hondet <gabrielhondet@gmail.com>
;;; Copyright © 2019 Robert Vollmert <rob@vllmrt.net>
+;;; Copyright © 2019 Jacob MacDonald <jaccarmac@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -11607,6 +11608,40 @@ default)
@end itemize")
(license license:bsd-3)))
+(define-public ghc-concurrent-output
+ (package
+ (name "ghc-concurrent-output")
+ (version "1.10.10")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append
+ "mirror://hackage/package/concurrent-output/concurrent-output-"
+ version
+ ".tar.gz"))
+ (sha256
+ (base32
+ "1wnjxnwbc3l853kiiijagzjyb6fmhz3lmkwls24plbximl1qrr22"))))
+ (build-system haskell-build-system)
+ (inputs
+ `(("ghc-async" ,ghc-async)
+ ("ghc-stm" ,ghc-stm)
+ ("ghc-exceptions" ,ghc-exceptions)
+ ("ghc-ansi-terminal" ,ghc-ansi-terminal)
+ ("ghc-terminal-size" ,ghc-terminal-size)))
+ (home-page
+ "https://hackage.haskell.org/package/concurrent-output")
+ (synopsis
+ "Ungarble output from several threads or commands")
+ (description
+ "Lets multiple threads and external processes concurrently output to the
+console, without it getting all garbled up.
+
+Built on top of that is a way of defining multiple output regions, which are
+automatically laid out on the screen and can be individually updated by
+concurrent threads. Can be used for progress displays etc.")
+ (license license:bsd-2)))
+
(define-public ghc-wl-pprint-annotated
(package
(name "ghc-wl-pprint-annotated")