From 55610f075a92aa27a0f1a0a3194053f33152e7e7 Mon Sep 17 00:00:00 2001
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Date: Fri, 3 Dec 2021 23:12:00 +0100
Subject: gnu: Add rust-cfg-expr-0.8.

* gnu/packages/crates-io.scm (rust-cfg-expr-0.8): New variable.
---
 gnu/packages/crates-io.scm | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'gnu/packages/crates-io.scm')

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 95b4c536a1..8da2c52a0e 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -8696,6 +8696,30 @@ that need to represent UTF-16 data as 8-bit characters.")
 winded @code{#[cfg()]} checks.")
     (license license:expat)))
 
+(define-public rust-cfg-expr-0.8
+  (package
+    (name "rust-cfg-expr")
+    (version "0.8.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (crate-uri "cfg-expr" version))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32 "03lgv8psc2qrr93hxgdfmfwbj1crpzghxd7qh6w2nz0l4qryh4ml"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:skip-build? #t
+       #:cargo-inputs
+       (("rust-smallvec" ,rust-smallvec-1)
+        ("rust-target-lexicon" ,rust-target-lexicon-0.12))))
+    (home-page "https://github.com/EmbarkStudios/cfg-expr")
+    (synopsis "Parser and evaluator for Rust @code{cfg()} expressions")
+    (description
+     "This package provides a parser and evaluator for Rust @code{cfg()}
+expressions.")
+    (license (list license:expat license:asl2.0))))
+
 (define-public rust-cfg-if-1
   (package
     (name "rust-cfg-if")
-- 
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