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gnu: Add ocaml-ppx-compare.

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* gnu/packages/ocaml.scm (ocaml-ppx-compare): New variable.
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Julien Lepiller 2019-02-01 16:39:59 +01:00
parent 7e12b4c2bb
commit c16c8bb68d
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29
gnu/packages/ocaml.scm
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@ -5164,3 +5164,32 @@ (define-public ocaml-ppxlib
@item a generator of open recursion classes from type definitions.
@end itemize")
(license license:expat)))
(define-public ocaml-ppx-compare
(package
(name "ocaml-ppx-compare")
(version "0.11.1")
(source (origin
(method git-fetch)
(uri (git-reference
(url "https://github.com/janestreet/ppx_compare.git")
(commit (string-append "v" version))))
(file-name (git-file-name name version))
(sha256
(base32
"06bq4m1bsm4jlx4g7wh5m99qky7xm4c2g52kaz6pv25hdn5agi2m"))))
(build-system dune-build-system)
(propagated-inputs
`(("ocaml-base" ,ocaml-base)
("ocaml-migrate-parsetree" ,ocaml-migrate-parsetree)
("ocaml-ppxlib" ,ocaml-ppxlib)))
(properties `((upstream-name . "ppx_compare")))
(home-page "https://github.com/janestreet/ppx_compare")
(synopsis "Generation of comparison functions from types")
(description "Generation of fast comparison functions from type expressions
and definitions. Ppx_compare is a ppx rewriter that derives comparison functions
from type representations. The scaffolded functions are usually much faster
than ocaml's Pervasives.compare. Scaffolding functions also gives you more
flexibility by allowing you to override them for a specific type and more safety
by making sure that you only compare comparable values.")
(license license:asl2.0)))