From cf123e321d4d0843b596a2b106643b2ddc8ca9d7 Mon Sep 17 00:00:00 2001 From: Marius Bakke Date: Wed, 10 Jun 2020 01:04:37 +0200 Subject: gnu: Add ghc-psqueue. * gnu/packages/haskell-xyz.scm (ghc-psqueue): New public variable. --- gnu/packages/haskell-xyz.scm | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'gnu/packages/haskell-xyz.scm') diff --git a/gnu/packages/haskell-xyz.scm b/gnu/packages/haskell-xyz.scm index 6908050afc..0508916ead 100644 --- a/gnu/packages/haskell-xyz.scm +++ b/gnu/packages/haskell-xyz.scm @@ -9812,6 +9812,29 @@ (define-public ghc-protolude replace the standard one provided by GHC.") (license license:expat))) +(define-public ghc-psqueue + (package + (name "ghc-psqueue") + (version "1.1.0.1") + (source (origin + (method url-fetch) + (uri (string-append "mirror://hackage/package/PSQueue-" + version "/PSQueue-" version ".tar.gz")) + (sha256 + (base32 + "1cik7sw10sacsijmfhghzy54gm1qcyxw14shlp86lx8z89kcnkza")))) + (build-system haskell-build-system) + (home-page "https://hackage.haskell.org/package/PSQueue") + (synopsis "Priority search queue") + (description + "A @dfn{priority search queue} efficiently supports the operations of +both a search tree and a priority queue. A @code{Binding} is a product of +a key and a priority. Bindings can be inserted, deleted, modified and queried +in logarithmic time, and the binding with the least priority can be retrieved +in constant time. A queue can be built from a list of bindings, sorted by +keys, in linear time.") + (license license:bsd-3))) + (define-public ghc-psqueues (package (name "ghc-psqueues") -- cgit v1.2.3