GNU bug report logs - #34361
[PATCH 1/4] gnu: Add ocaml-earley.

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Message #11 received at 34361 <at> debbugs.gnu.org (full text, mbox):

From: Gabriel Hondet <gabrielhondet <at> gmail.com>
To: 34361 <at> debbugs.gnu.org
Subject: [PATCH 3/4] gnu: Add ocaml-timed.
Date: Fri, 1 Feb 2019 20:50:25 +0100

[Message part 1 (text/plain, inline)]

* gnu/packages/ocaml.scm (ocaml-timed): New variable.
---
 gnu/packages/ocaml.scm | 47 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index ede3beb03..34229107f 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -4796,6 +4796,53 @@ extension which allows the definition of parsers inside the language.  There
 is also support for writing OCaml syntax extensions in a camlp4 style.")
     (license license:cecill-b)))
 
+(define-public ocaml-timed
+  (package
+    (name "ocaml-timed")
+    (version "1.0")
+    (home-page "https://github.com/rlepigre/ocaml-timed")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url (string-append home-page ".git"))
+                    (commit (string-append name "_" version))))
+              (sha256
+               (base32
+                "0hfxz710faxy5yk97bkfnw87r732jcxxhmjppwrbfdb6pd0wks96"))
+              (file-name (git-file-name name version))))
+    (build-system ocaml-build-system)
+    (native-inputs
+     `(("ocaml-findlib" ,ocaml-findlib)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             (invoke "make")
+             #t))
+         (replace 'install
+           (lambda _
+             (invoke "make" "install")
+             #t))
+         (replace 'check
+           (lambda _
+             (invoke "make" "tests")
+             #t)))))
+    (synopsis "Timed references for imperative state")
+    (description "Timed references for imperative state.  This module provides
+an alternative type for references (or mutable cells) supporting undo/redo
+operations.  In particular, an abstract notion of time is used to capture the
+state of the references at any given point, so that it can be restored.  Note
+that usual reference operations only have a constant time / memory overhead
+(compared to those of the standard library).
+
+Moreover, we provide an alternative implementation based on the references
+of the standard library (Pervasives module).  However, it is less efficient
+than the first one.")
+    (license license:expat)))
+
 (define-public ocaml-biniou
  (package
    (name "ocaml-biniou")
-- 
2.20.1

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