[bug#49867] [PATCH v2 14/31] gnu: Add ocaml-duration.

[pukkamustard]

* gnu/packages/ocaml.scm (ocaml-duration): New variable.
---
 gnu/packages/ocaml.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index c6cdd3a318..53c7c3cc7b 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -7623,6 +7623,31 @@ RC4, ChaCha20/Poly1305), and hashes (MD5, SHA-1, SHA-2). 
 This library can be
 used from MirageOS unikernels.")
     (license license:isc)))
 
+(define-public ocaml-duration
+  (package
+    (name "ocaml-duration")
+    (version "0.1.3")
+    (home-page "https://github.com/hannesm/duration";)
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url home-page)
+             (commit version)))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0ka4cv9581iaa6q1k02ddrpz7f53k3wk7rpq43j1lrdm4vl2jk4w"))))
+    (build-system dune-build-system)
+    (arguments `(#:test-target "."))
+    (native-inputs
+     `(("ocaml-alcotest" ,ocaml-alcotest)))
+    (synopsis "OCaml library providing conversions between various time units")
+    (description "This OCaml library provides functions for representing a
+time duration as an usigned 64 bit integer.  This can be used for conversions
+between various time units.")
+    (license license:isc)))
+
 (define-public js-of-ocaml
   (package
     (name "js-of-ocaml")
-- 
2.32.0