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| -rw-r--r-- | gnu/packages/haskell.scm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm index 977789d3da..e9660431ca 100644 --- a/gnu/packages/haskell.scm +++ b/gnu/packages/haskell.scm @@ -9932,4 +9932,36 @@ the vector; then you can execute the builder to actually produce the vector. ") (license license:expat))) +(define-public ghc-foldl + (package + (name "ghc-foldl") + (version "1.3.2") + (source + (origin + (method url-fetch) + (uri (string-append "https://hackage.haskell.org/package/" + "foldl-" version "/" + "foldl-" version ".tar.gz")) + (sha256 + (base32 + "1z3xjz4khs2kr3mqkbh7dz4kd6gkdk2r67wjkvrxnmp533aqh90n")))) + (build-system haskell-build-system) + (inputs `(("ghc-mwc-randam" ,ghc-mwc-random) + ("ghc-primitive" ,ghc-primitive) + ("ghc-text" ,ghc-text) + ("ghc-vector" ,ghc-vector) + ("ghc-unordered-containers" ,ghc-unordered-containers) + ("ghc-hashable" ,ghc-hashable) + ("ghc-contravariant" ,ghc-contravariant) + ("ghc-profunctors" ,ghc-profunctors) + ("ghc-comonad" ,ghc-comonad) + ("ghc-vector-builder" ,ghc-vector-builder))) + (home-page "https://github.com/Gabriel439/Haskell-Foldl-Library") + (synopsis "Composable, streaming, and efficient left folds for Haskell") + (description "This Haskell library provides strict left folds that stream +in constant memory, and you can combine folds using @code{Applicative} style +to derive new folds. Derived folds still traverse the container just once +and are often as efficient as hand-written folds.") + (license license:bsd-3))) + ;;; haskell.scm ends here |