25/45: gnu: Add ocaml-async-kernel.

[guix-commits]

cbaines pushed a commit to branch master
in repository guix.

commit 419023489e9ba39cf115fcdfbdbc109633bf09c9
Author: raingloom <raingloom@riseup.net>
AuthorDate: Wed Feb 15 23:00:14 2023 +0100

    gnu: Add ocaml-async-kernel.
    
    * gnu/packages/ocaml.scm (ocaml-async-kernel): New variable.
    
    Signed-off-by: Christopher Baines <mail@cbaines.net>
---
 gnu/packages/ocaml.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 521a98e583..304c900af5 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -8389,6 +8389,30 @@ the full Core is not available, such as in Javascript.")
 core_kernel.")
     (license license:expat)))
 
+(define-public ocaml-async-kernel
+  (package
+    (name "ocaml-async-kernel")
+    (version "0.15.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/janestreet/async_kernel";)
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "01if6c8l2h64v7sk56xr8acnmj6g9whxcjrzzzvczspq88hq2bfh"))))
+    (build-system dune-build-system)
+    (propagated-inputs (list ocaml-core ocaml-core-kernel ocaml-ppx-jane))
+    (properties `((upstream-name . "async_kernel")))
+    (home-page "https://github.com/janestreet/async_kernel";)
+    (synopsis "Monadic concurrency library")
+    (description
+     "Contains @code{Async}'s core data structures, like
+@code{Deferred}.  @code{Async_kernel} is portable, and so can be used in
+JavaScript using @code{Async_js}.")
+    (license license:expat)))
+
 (define-public ocaml-timezone
   (package
     (name "ocaml-timezone")