193/272: gnu: Add rust-async-recursion-0.3.

[guix-commits]

ngz pushed a commit to branch master
in repository guix.

commit c7f6affa47d3ddf55343feb436775e8f8a1b1bfd
Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
AuthorDate: Wed Feb 10 17:58:23 2021 +0100

    gnu: Add rust-async-recursion-0.3.
    
    * gnu/packages/crates-io.scm (rust-async-recursion-0.3): New variable.
---
 gnu/packages/crates-io.scm | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 7eb4498..99ca068 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -2900,6 +2900,31 @@ implementing async state machines that can later be 
wrapped in dedicated
 futures.")
     (license (list license:expat license:asl2.0))))
 
+(define-public rust-async-recursion-0.3
+  (package
+    (name "rust-async-recursion")
+    (version "0.3.2")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "async-recursion" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "18npixkwglnpvjgp89fpcyzf820ngx3a1hxp4hqbkw81p9b8dmyp"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-proc-macro2" ,rust-proc-macro2-1)
+        ("rust-quote" ,rust-quote-1)
+        ("rust-syn" ,rust-syn-1))))
+    (home-page "https://github.com/dcchut/async-recursion";)
+    (synopsis "Recursion for async functions")
+    (description
+     "This package provides a procedural macro for recursive async
+functions.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-async-std-1
   (package
     (name "rust-async-std")