@@ -10599,6 +10599,32 @@ into structs when implementing custom derives.")
reading attributes into structs when implementing custom derives.")
(license license:expat)))
+(define-public rust-darling-core-0.9
+ (package
+ (inherit rust-darling-core-0.10)
+ (name "rust-darling-core")
+ (version "0.9.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (crate-uri "darling_core" version))
+ (file-name
+ (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "0b201dx4m58l5ac7gmbjvbf4z2xipnk5d4pqa7mz7gy3f21h3z3a"))))
+ (build-system cargo-build-system)
+ (arguments
+ `(#:skip-build?
+ #t
+ #:cargo-inputs
+ (("rust-fnv" ,rust-fnv-1)
+ ("rust-ident-case" ,rust-ident-case-1)
+ ("rust-proc-macro2" ,rust-proc-macro2-0.4)
+ ("rust-quote" ,rust-quote-0.6)
+ ("rust-strsim" ,rust-strsim-0.7)
+ ("rust-syn" ,rust-syn-0.15))))))
+
(define-public rust-darling-macro-0.10
(package
(name "rust-darling-macro")