@@ -10570,6 +10570,28 @@ crate (implementation detail).")
into structs when implementing custom derives.")
(license license:expat)))
+(define-public rust-darling-0.9
+ (package
+ (inherit rust-darling-0.10)
+ (name "rust-darling")
+ (version "0.9.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (crate-uri "darling" version))
+ (file-name
+ (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "1mnksf0i47pb7sxvi1iqfwmqy9iny0x8w56ilybpb431b46cpyzw"))))
+ (build-system cargo-build-system)
+ (arguments
+ `(#:skip-build?
+ #t
+ #:cargo-inputs
+ (("rust-darling-core" ,rust-darling-core-0.9)
+ ("rust-darling-macro" ,rust-darling-macro-0.9))))))
+
(define-public rust-darling-core-0.10
(package
(name "rust-darling-core")