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gnu: Add ghc-psqueue.

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* gnu/packages/haskell-xyz.scm (ghc-psqueue): New public variable.
This commit is contained in:
Marius Bakke 2020-06-10 01:04:37 +02:00
parent dcfd1d2caf
commit cf123e321d
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gnu/packages/haskell-xyz.scm
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@ -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")