[PATCH 42/86] gnu: Add rust-heapsize.

[ng0]

* gnu/packages/rust.scm (rust-heapsize): New variable.
---
 gnu/packages/rust.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 6f02eb7ca..e322fa5e9 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -1196,3 +1196,24 @@ SipHash, is good in many cases, it is notably slower 
than other
 algorithms with short keys, such as when you have a map of integers to
 other values.  In cases like these, FNV is demonstrably faster.")
     (license (list license:expat license:asl2.0))))
+
+(define-public rust-heapsize
+  (package
+    (name "rust-heapsize")
+    (version "0.3.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "heapsize" version))
+       (file-name
+        (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "0j9m3cw91apd2shfqv3xk0ih9sj2dv04s4v6jl8ak5c4fnaf304c"))))
+    (build-system cargo-build-system)
+    (home-page "https://github.com/servo/heapsize";)
+    (synopsis "Measure the total runtime size of an object on the heap")
+    (description
+     "@code{heapsize} can be used in support of measuring heap
+allocations in Rust programs.")
+    (license license:mpl2.0)))
-- 
2.11.0