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gnu: Add rust-downcast-rs-1.1.

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* gnu/packages/crates-io.scm (rust-downcast-rs-1.1): New variable.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
This commit is contained in:
Valentin Ignatev 2020-01-15 04:10:19 +03:00 • committed by Efraim Flashner
parent a09dad21f3
commit 959b93a660
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1 changed files with 21 additions and 0 deletions
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21
gnu/packages/crates-io.scm
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@ -2996,6 +2996,27 @@ from macros.")
(description "Command line argument parsing.")
(license (list license:expat license:unlicense))))
(define-public rust-downcast-rs-1.1
(package
(name "rust-downcast-rs")
(version "1.1.1")
(source
(origin
(method url-fetch)
(uri (crate-uri "downcast-rs" version))
(file-name
(string-append name "-" version ".tar.gz"))
(sha256
(base32
"1xhs2qj02k9m4mm5fgh19y88850y9jsnwwlblf2ffc91gjs6xfjj"))))
(build-system cargo-build-system)
(home-page "https://github.com/marcianx/downcast-rs")
(synopsis "Trait object downcasting support using only safe Rust")
(description
"Trait object downcasting support using only safe Rust. It supports type
parameters, associated types, and type constraints.")
(license (list license:expat license:asl2.0))))
(define-public rust-dtoa-0.4
(package
(name "rust-dtoa")