* gnu/packages/rust.scm (rust-utf8-ranges): New variable.
---
gnu/packages/rust.scm | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 95699b682..9b3b62c0a 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -1683,3 +1683,28 @@ number of matches.")
"@code{simd} offers limited cross-platform access to SIMD instructions on
CPUs, as well as raw interfaces to platform-specific instructions.")
(license (list license:expat license:asl2.0))))
+
+(define-public rust-utf8-ranges
+ (package
+ (name "rust-utf8-ranges")
+ (version "1.0.0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (crate-uri "utf8-ranges" version))
+ (file-name
+ (string-append name "-" version ".tar.gz"))
+ (sha256
+ (base32
+ "08j129anwcbdwvcx1izb4nsf0nbxksin2zqxjbrfz2x94mjsnbv6"))))
+ (build-system cargo-build-system)
+ (native-inputs
+ `(("rust-quickcheck" ,rust-quickcheck "src")))
+ (home-page "https://github.com/BurntSushi/utf8-ranges";)
+ (synopsis "Convert contiguous ranges of Unicode codepoints to UTF-8 byte
ranges")
+ (description
+ "@code{utf8-ranges} converts contiguous ranges of Unicode scalar
+values to UTF-8 byte ranges. This is useful when constructing byte
+based automata from Unicode. Stated differently, this lets one embed
+UTF-8 decoding as part of one's automaton.")
+ (license (list license:unlicense license:expat))))
--
2.11.0
