gnu/packages/crates-io.scm

   1 ;;; GNU Guix --- Functional package management for GNU
   2 ;;; Copyright © 2019 Ivan Petkov <ivanppetkov@gmail.com>
   3 ;;; Copyright © 2019 Efraim Flashner <efraim@flashner.co.il>
   4 ;;;
   5 ;;; This file is part of GNU Guix.
   6 ;;;
   7 ;;; GNU Guix is free software; you can redistribute it and/or modify it
   8 ;;; under the terms of the GNU General Public License as published by
   9 ;;; the Free Software Foundation; either version 3 of the License, or (at
  10 ;;; your option) any later version.
  11 ;;;
  12 ;;; GNU Guix is distributed in the hope that it will be useful, but
  13 ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;;; GNU General Public License for more details.
  16 ;;;
  17 ;;; You should have received a copy of the GNU General Public License
  18 ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 (define-module (gnu packages crates-io)
  21   #:use-module (guix build-system cargo)
  22   #:use-module (guix download)
  23   #:use-module ((guix licenses) #:prefix license:)
  24   #:use-module (guix packages))
  25
  26 ;;;
  27 ;;; Please: Try to add new module packages in alphabetic order.
  28 ;;;
  29
  30 (define-public rust-autocfg
  31   (package
  32     (name "rust-autocfg")
  33     (version "0.1.5")
  34     (source
  35       (origin
  36         (method url-fetch)
  37         (uri (crate-uri "autocfg" version))
  38         (file-name (string-append name "-" version ".tar.gz"))
  39         (sha256
  40          (base32
  41           "0asl6fnc35yk5l2rxwhp25v128jgm45dp754h9z8x51b6n90w4r2"))))
  42     (build-system cargo-build-system)
  43     (home-page "https://github.com/cuviper/autocfg")
  44     (synopsis "Automatic cfg for Rust compiler features")
  45     (description "Rust library for build scripts to automatically configure
  46 code based on compiler support.  Code snippets are dynamically tested to see
  47 if the @code{rustc} will accept them, rather than hard-coding specific version
  48 support.")
  49     (license (list license:asl2.0
  50                    license:expat))))
  51
  52 (define-public rust-bencher
  53   (package
  54     (name "rust-bencher")
  55     (version "0.1.5")
  56     (source
  57       (origin
  58         (method url-fetch)
  59         (uri (crate-uri "bencher" version))
  60         (file-name (string-append name "-" version ".tar.gz"))
  61         (sha256
  62          (base32
  63           "1x8p2xblgqssay8cdykp5pkfc0np0jk5bs5cx4f5av097aav9zbx"))))
  64     (build-system cargo-build-system)
  65     (home-page "https://github.com/bluss/bencher/")
  66     (synopsis "Port of the libtest benchmark runner to Rust stable")
  67     (description "This package provides a port of the libtest (unstable Rust)
  68 benchmark runner to Rust stable releases.  Supports running benchmarks and
  69 filtering based on the name.  Benchmark execution works exactly the same way
  70 and no more (caveat: black_box is still missing!).")
  71     (license (list license:asl2.0
  72                    license:expat))))
  73
  74 (define-public rust-bitflags
  75   (package
  76     (name "rust-bitflags")
  77     (version "1.1.0")
  78     (source
  79       (origin
  80         (method url-fetch)
  81         (uri (crate-uri "bitflags" version))
  82         (file-name (string-append name "-" version ".tar.gz"))
  83         (sha256
  84          (base32
  85           "1zc1qb1hwsnl2d8rhzicsv9kqd5b2hwbrscrcfw5as4sfr35659x"))))
  86     (build-system cargo-build-system)
  87     (home-page "https://github.com/bitflags/bitflags")
  88     (synopsis "Macro to generate structures which behave like bitflags")
  89     (description "This package provides a macro to generate structures which
  90 behave like a set of bitflags.")
  91     (license (list license:asl2.0
  92                    license:expat))))
  93
  94 (define-public rust-cfg-if
  95   (package
  96     (name "rust-cfg-if")
  97     (version "0.1.9")
  98     (source
  99       (origin
 100         (method url-fetch)
 101         (uri (crate-uri "cfg-if" version))
 102         (file-name (string-append name "-" version ".tar.gz"))
 103         (sha256
 104          (base32
 105           "0csygklgz3ybpr0670rkip49zh76m43ar3k7xgypkzbzrwycx1ml"))))
 106     (build-system cargo-build-system)
 107     (home-page "https://github.com/alexcrichton/cfg-if")
 108     (synopsis "Define an item depending on parameters")
 109     (description "This package provides a macro to ergonomically define an item
 110 depending on a large number of #[cfg] parameters.  Structured like an
 111 @code{if-else} chain, the first matching branch is the item that gets emitted.")
 112     (license (list license:asl2.0
 113                    license:expat))))
 114
 115 (define-public rust-discard
 116   (package
 117     (name "rust-discard")
 118     (version "1.0.4")
 119     (source
 120       (origin
 121         (method url-fetch)
 122         (uri (crate-uri "discard" version))
 123         (file-name (string-append name "-" version ".tar.gz"))
 124         (sha256
 125          (base32
 126           "1h67ni5bxvg95s91wgicily4ix7lcw7cq0a5gy9njrybaibhyb91"))))
 127     (build-system cargo-build-system)
 128     (home-page "https://github.com/Pauan/rust-discard")
 129     (synopsis "Allow for intentionally leaking memory")
 130     (description "There are situations where you need to intentionally leak some
 131 memory but not other memory.  This package provides a discard trait which allows
 132 for intentionally leaking memory")
 133     (license license:expat)))
 134
 135 (define-public rust-doc-comment
 136   (package
 137     (name "rust-doc-comment")
 138     (version "0.3.1")
 139     (source
 140       (origin
 141         (method url-fetch)
 142         (uri (crate-uri "doc-comment" version))
 143         (file-name (string-append name "-" version ".tar.gz"))
 144         (sha256
 145          (base32
 146           "15rsqxgarfpb1yim9sbp9yfgj7p2dq6v51c6bq1a62paii9ylgcj"))))
 147     (build-system cargo-build-system)
 148     (home-page "https://github.com/GuillaumeGomez/doc-comment")
 149     (synopsis "Macro to generate doc comments")
 150     (description "This package provides a way to generate doc comments
 151 from macros.")
 152     (license license:expat)))
 153
 154 (define-public rust-dtoa
 155   (package
 156     (name "rust-dtoa")
 157     (version "0.4.4")
 158     (source
 159       (origin
 160         (method url-fetch)
 161         (uri (crate-uri "dtoa" version))
 162         (file-name (string-append name "-" version ".tar.gz"))
 163         (sha256
 164          (base32
 165           "0phbm7i0dpn44gzi07683zxaicjap5064w62pidci4fhhciv8mza"))))
 166     (build-system cargo-build-system)
 167     (home-page "https://github.com/dtolnay/dtoa")
 168     (synopsis "Fast functions for printing floating-point primitives")
 169     (description "This crate provides fast functions for printing
 170 floating-point primitives to an @code{io::Write}.")
 171     (license (list license:asl2.0
 172                    license:expat))))
 173
 174 (define-public rust-fallible-iterator
 175   (package
 176     (name "rust-fallible-iterator")
 177     (version "0.2.0")
 178     (source
 179       (origin
 180         (method url-fetch)
 181         (uri (crate-uri "fallible-iterator" version))
 182         (file-name (string-append name "-" version ".tar.gz"))
 183         (sha256
 184          (base32
 185           "1xq759lsr8gqss7hva42azn3whgrbrs2sd9xpn92c5ickxm1fhs4"))))
 186     (build-system cargo-build-system)
 187     (home-page "https://github.com/sfackler/rust-fallible-iterator")
 188     (synopsis "Fallible iterator traits")
 189     (description "If the @code{std} or @code{alloc} features are enabled, this
 190 crate provides implementations for @code{Box}, @code{Vec}, @code{BTreeMap}, and
 191 @code{BTreeSet}.  If the @code{std} feature is enabled, this crate additionally
 192 provides implementations for @code{HashMap} and @code{HashSet}.")
 193     (license (list license:asl2.0
 194                    license:expat))))
 195
 196 (define-public rust-fnv
 197   (package
 198     (name "rust-fnv")
 199     (version "1.0.6")
 200     (source
 201       (origin
 202         (method url-fetch)
 203         (uri (crate-uri "fnv" version))
 204         (file-name (string-append name "-" version ".tar.gz"))
 205         (sha256
 206          (base32
 207           "1ww56bi1r5b8id3ns9j3qxbi7w5h005rzhiryy0zi9h97raqbb9g"))))
 208     (build-system cargo-build-system)
 209     (home-page "https://github.com/servo/rust-fnv")
 210     (synopsis "implementation of the Fowler-Noll-Vo hash function")
 211     (description "The @code{fnv} hash function is a custom @code{Hasher}
 212 implementation that is more efficient for smaller hash keys.")
 213     (license (list license:asl2.0
 214                    license:expat))))
 215
 216 (define-public rust-fs-extra
 217   (package
 218     (name "rust-fs-extra")
 219     (version "1.1.0")
 220     (source
 221       (origin
 222         (method url-fetch)
 223         (uri (crate-uri "fs_extra" version))
 224         (file-name (string-append name "-" version ".tar.gz"))
 225         (sha256
 226          (base32
 227           "0x6675wdhsx277k1k1235jwcv38naf20d8kwrk948ds26hh4lajz"))))
 228     (build-system cargo-build-system)
 229     (home-page "https://github.com/webdesus/fs_extra")
 230     (synopsis "Extra filesystem methods")
 231     (description "Expanding opportunities standard library @code{std::fs} and
 232 @code{std::io}.  Recursively copy folders with recept information about
 233 process and much more.")
 234     (license license:expat)))
 235
 236 (define-public rust-futures
 237   (package
 238     (name "rust-futures")
 239     (version "0.1.28")
 240     (source
 241       (origin
 242         (method url-fetch)
 243         (uri (crate-uri "futures" version))
 244         (file-name (string-append name "-" version ".tar.gz"))
 245         (sha256
 246          (base32
 247           "0saq8ffjw1pwf1pzhw3kq1z7dfq6wpd8x93dnni6vbkc799kkp25"))))
 248     (build-system cargo-build-system)
 249     (home-page "https://github.com/rust-lang-nursery/futures-rs")
 250     (synopsis "Implementation of zero-cost futures in Rust")
 251     (description "An implementation of @code{futures} and @code{streams}
 252 featuring zero allocations, composability, and iterator-like interfaces.")
 253     (license (list license:asl2.0
 254                    license:expat))))
 255
 256 (define-public rust-hex
 257   (package
 258     (name "rust-hex")
 259     (version "0.3.2")
 260     (source
 261       (origin
 262         (method url-fetch)
 263         (uri (crate-uri "hex" version))
 264         (file-name (string-append name "-" version ".tar.gz"))
 265         (sha256
 266          (base32
 267           "0xsdcjiik5j750j67zk42qdnmm4ahirk3gmkmcqgq7qls2jjcl40"))))
 268     (build-system cargo-build-system)
 269     (home-page "https://github.com/KokaKiwi/rust-hex")
 270     (synopsis "Encode and decode data to/from hexadecimals")
 271     (description "This crate allows for encoding and decoding data into/from
 272 hexadecimal representation.")
 273     (license (list license:asl2.0
 274                    license:expat))))
 275
 276 (define-public rust-itoa
 277   (package
 278     (name "rust-itoa")
 279     (version "0.4.4")
 280     (source
 281       (origin
 282         (method url-fetch)
 283         (uri (crate-uri "itoa" version))
 284         (file-name (string-append name "-" version ".tar.gz"))
 285         (sha256
 286          (base32
 287           "0zvg2d9qv3avhf3d8ggglh6fdyw8kkwqg3r4622ly5yhxnvnc4jh"))))
 288     (build-system cargo-build-system)
 289     (home-page "https://github.com/dtolnay/itoa")
 290     (synopsis "Fast functions for printing integer primitives")
 291     (description "This crate provides fast functions for printing integer
 292 primitives to an @code{io::Write}.")
 293     (license (list license:asl2.0
 294                    license:expat))))
 295
 296 (define-public rust-json
 297   (package
 298     (name "rust-json")
 299     (version "0.11.14")
 300     (source
 301       (origin
 302         (method url-fetch)
 303         (uri (crate-uri "json" version))
 304         (file-name (string-append name "-" version ".tar.gz"))
 305         (sha256
 306          (base32
 307           "1hj8c6xj5c2aqqszi8naaflmcdbya1i9byyjrq4iybxjb4q91mq1"))))
 308     (build-system cargo-build-system)
 309     (home-page "https://github.com/maciejhirsz/json-rust")
 310     (synopsis "JSON implementation in Rust")
 311     (description "This crate provides a JSON implementation in Rust, reducing
 312 friction with idiomatic Rust structs to ease interopability.")
 313     (license (list license:asl2.0
 314                    license:expat))))
 315
 316 (define-public rust-maplit
 317   (package
 318     (name "rust-maplit")
 319     (version "1.0.1")
 320     (source
 321       (origin
 322         (method url-fetch)
 323         (uri (crate-uri "maplit" version))
 324         (file-name (string-append name "-" version ".tar.gz"))
 325         (sha256
 326          (base32
 327           "0hsczmvd6zkqgzqdjp5hfyg7f339n68w83n4pxvnsszrzssbdjq8"))))
 328     (build-system cargo-build-system)
 329     (home-page "https://github.com/bluss/maplit")
 330     (synopsis "Collection of Map macros")
 331     (description "This crate provides a collection of @code{literal} macros for
 332 @code{HashMap}, @code{HashSet}, @code{BTreeMap}, and @code{BTreeSet.}")
 333     (license (list license:asl2.0
 334                    license:expat))))
 335
 336 (define-public rust-matches
 337   (package
 338     (name "rust-matches")
 339     (version "0.1.8")
 340     (source
 341       (origin
 342         (method url-fetch)
 343         (uri (crate-uri "matches" version))
 344         (file-name (string-append name "-" version ".tar.gz"))
 345         (sha256
 346          (base32
 347           "020axl4q7rk9vz90phs7f8jas4imxal9y9kxl4z4v7a6719mrz3z"))))
 348     (build-system cargo-build-system)
 349     (home-page "https://github.com/SimonSapin/rust-std-candidates")
 350     (synopsis "Macro to evaluate whether an expression matches a pattern.")
 351     (description "This package provides a macro to evaluate, as a boolean,
 352 whether an expression matches a pattern.")
 353     (license license:expat)))
 354
 355 (define-public rust-md5
 356   (package
 357     (name "rust-md5")
 358     (version "0.6.1")
 359     (source
 360       (origin
 361         (method url-fetch)
 362         (uri (crate-uri "md5" version))
 363         (file-name (string-append name "-" version ".tar.gz"))
 364         (sha256
 365          (base32
 366           "17b2xm4h4cvxsdjsf3kdrzqv2za60kak961xzi5kmw6g6djcssvy"))))
 367     (build-system cargo-build-system)
 368     (home-page "https://github.com/stainless-steel/md5")
 369     (synopsis "MD5 hash function in Rust")
 370     (description "The package provides the MD5 hash function.")
 371     (license (list license:asl2.0
 372                    license:expat))))
 373
 374 (define-public rust-peeking-take-while
 375   (package
 376     (name "rust-peeking-take-while")
 377     (version "0.1.2")
 378     (source
 379       (origin
 380         (method url-fetch)
 381         (uri (crate-uri "peeking_take_while" version))
 382         (file-name (string-append name "-" version ".tar.gz"))
 383         (sha256
 384          (base32
 385           "16bhqr6rdyrp12zv381cxaaqqd0pwysvm1q8h2ygihvypvfprc8r"))))
 386     (build-system cargo-build-system)
 387     (home-page "https://github.com/fitzgen/peeking_take_while")
 388     (synopsis "Provides the peeking_take_while iterator adaptor method")
 389     (description
 390       "Like @code{Iterator::take_while}, but calls the predicate on a peeked
 391 value.  This allows you to use @code{Iterator::by_ref} and
 392 @code{Iterator::take_while} together, and still get the first value for which
 393 the @code{take_while} predicate returned false after dropping the @code{by_ref}.")
 394     (license (list license:asl2.0
 395                    license:expat))))
 396
 397 (define-public rust-percent-encoding
 398   (package
 399     (name "rust-percent-encoding")
 400     (version "2.0.0")
 401     (source
 402       (origin
 403         (method url-fetch)
 404         (uri (crate-uri "percent-encoding" version))
 405         (file-name (string-append name "-" version ".tar.gz"))
 406         (sha256
 407          (base32
 408           "0m6rkp3iy11la04p6z3492rns6n693pvmx585dvfmzzlzak2hkxs"))))
 409     (build-system cargo-build-system)
 410     (home-page "https://github.com/servo/rust-url/")
 411     (synopsis "Percent encoding and decoding")
 412     (description "This crate provides percent encoding and decoding.")
 413     (license (list license:asl2.0
 414                    license:expat))))
 415
 416 (define-public rust-pin-utils
 417   (package
 418     (name "rust-pin-utils")
 419     (version "0.1.0-alpha.4")
 420     (source
 421       (origin
 422         (method url-fetch)
 423         (uri (crate-uri "pin-utils" version))
 424         (file-name (string-append name "-" version ".tar.gz"))
 425         (sha256
 426          (base32
 427           "11xmyx00n4m37d546by2rxb8ryxs12v55cc172i3yak1rqccd52q"))))
 428     (build-system cargo-build-system)
 429     (home-page "https://github.com/rust-lang-nursery/pin-utils")
 430     (synopsis "Utilities for pinning")
 431     (description "This crate provides utilities for pinning values on the stack.")
 432     (license (list license:asl2.0
 433                    license:expat))))
 434
 435 (define-public rust-plain
 436   (package
 437     (name "rust-plain")
 438     (version "0.2.3")
 439     (source
 440       (origin
 441         (method url-fetch)
 442         (uri (crate-uri "plain" version))
 443         (file-name (string-append name "-" version ".tar.gz"))
 444         (sha256
 445          (base32
 446           "19n1xbxb4wa7w891268bzf6cbwq4qvdb86bik1z129qb0xnnnndl"))))
 447     (build-system cargo-build-system)
 448     (home-page "https://github.com/randomites/plain")
 449     (synopsis "Rust library that allows reinterpreting data safely")
 450     (description "This package provides a small Rust library that allows users
 451  to reinterpret data of certain types safely.")
 452     (license (list license:asl2.0
 453                    license:expat))))
 454
 455 (define-public rust-pocket-resources
 456   (package
 457     (name "rust-pocket-resources")
 458     (version "0.3.2")
 459     (source
 460       (origin
 461         (method url-fetch)
 462         (uri (crate-uri "pocket-resources" version))
 463         (file-name (string-append name "-" version ".tar.gz"))
 464         (sha256
 465          (base32
 466           "1n2i5vmi8fdbw89wm5nz1ws1z9f1qax911p6ksg4scmdg23z6df1"))))
 467     (build-system cargo-build-system)
 468     (home-page "https://github.com/tomaka/pocket-resources")
 469     (synopsis "Include resources in your applications")
 470     (description "This crate allows you to include resources in your
 471 applications.")
 472     (license license:expat)))
 473
 474 (define-public rust-ppv-lite86
 475   (package
 476     (name "rust-ppv-lite86")
 477     (version "0.2.5")
 478     (source
 479       (origin
 480         (method url-fetch)
 481         (uri (crate-uri "ppv-lite86" version))
 482         (file-name (string-append name "-" version ".tar.gz"))
 483         (sha256
 484          (base32
 485           "06snnv338w341nicfqba2jgln5dsla72ndkgrw7h1dfdb3vgkjz3"))))
 486     (build-system cargo-build-system)
 487     (home-page "https://github.com/cryptocorrosion/cryptocorrosion")
 488     (synopsis "Implementation of the crypto-simd API for x86")
 489     (description "This crate provides an implementation of the crypto-simd API
 490 for x86.")
 491     (license (list license:asl2.0
 492                    license:expat))))
 493
 494 (define-public rust-proc-macro2
 495   (package
 496     (name "rust-proc-macro2")
 497     (version "0.4.30")
 498     (source
 499       (origin
 500         (method url-fetch)
 501         (uri (crate-uri "proc-macro2" version))
 502         (file-name
 503           (string-append name "-" version ".tar.gz"))
 504         (sha256
 505           (base32
 506             "0nd71fl24sys066jrha6j7i34nfkjv44yzw8yww9742wmc8j0gfg"))))
 507     (build-system cargo-build-system)
 508     (arguments
 509       `(#:cargo-inputs (("rust-unicode-xid" ,rust-unicode-xid))
 510         #:cargo-development-inputs (("rust-quote" ,rust-quote))))
 511     (home-page "https://github.com/alexcrichton/proc-macro2")
 512     (synopsis "Stable implementation of the upcoming new `proc_macro` API")
 513     (description "This package provides a stable implementation of the upcoming new
 514 `proc_macro` API.  Comes with an option, off by default, to also reimplement itself
 515 in terms of the upstream unstable API.")
 516     ;; Dual licensed.
 517     (license (list license:asl2.0 license:expat))))
 518
 519 (define-public rust-quick-error
 520   (package
 521     (name "rust-quick-error")
 522     (version "1.2.2")
 523     (source
 524       (origin
 525         (method url-fetch)
 526         (uri (crate-uri "quick-error" version))
 527         (file-name (string-append name "-" version ".tar.gz"))
 528         (sha256
 529          (base32
 530           "1w6kgwwv7p7zr0yyg5rb315lkk24bimywklwx7fsvsbwi10bjx4j"))))
 531     (build-system cargo-build-system)
 532     (home-page "http://github.com/tailhook/quick-error")
 533     (synopsis "Macro which makes error types pleasant to write")
 534     (description "This crate provides a macro which makes error types pleasant
 535 to write.")
 536     (license (list license:asl2.0
 537                    license:expat))))
 538
 539 (define-public rust-quote
 540   (package
 541     (name "rust-quote")
 542     (version "0.6.12")
 543     (source
 544       (origin
 545         (method url-fetch)
 546         (uri (crate-uri "quote" version))
 547         (file-name
 548           (string-append name "-" version ".tar.gz"))
 549         (sha256
 550           (base32
 551             "1nw0klza45hf127kfyrpxsxd5jw2l6h21qxalil3hkr7bnf7kx7s"))))
 552     (build-system cargo-build-system)
 553     (arguments
 554       `(#:cargo-inputs (("rust-proc-macro2" ,rust-proc-macro2))))
 555     (home-page "https://github.com/dtolnay/quote")
 556     (synopsis "Quasi-quoting macro quote!(...)")
 557     (description "Quasi-quoting macro quote!(...)")
 558     ;; Dual licensed.
 559     (license (list license:asl2.0 license:expat))))
 560
 561 (define-public rust-rustc-std-workspace-core
 562   (package
 563     (name "rust-rustc-std-workspace-core")
 564     (version "1.0.0")
 565     (source
 566       (origin
 567         (method url-fetch)
 568         (uri (crate-uri "rustc-std-workspace-core" version))
 569         (file-name (string-append name "-" version ".tar.gz"))
 570         (sha256
 571          (base32
 572           "1309xhwyai9xpz128xrfjqkmnkvgjwddznmj7brbd8i8f58zamhr"))))
 573     (build-system cargo-build-system)
 574     (home-page "https://crates.io/crates/rustc-std-workspace-core")
 575     (synopsis "Explicitly empty crate for rust-lang/rust integration")
 576     (description "This crate provides an explicitly empty crate for
 577 rust-lang/rust integration.")
 578     (license (list license:asl2.0
 579                    license:expat))))
 580
 581 (define-public rust-scoped-tls
 582   (package
 583     (name "rust-scoped-tls")
 584     (version "1.0.0")
 585     (source
 586       (origin
 587         (method url-fetch)
 588         (uri (crate-uri "scoped-tls" version))
 589         (file-name (string-append name "-" version ".tar.gz"))
 590         (sha256
 591          (base32
 592           "1hj8lifzvivdb1z02lfnzkshpvk85nkgzxsy2hc0zky9wf894spa"))))
 593     (build-system cargo-build-system)
 594     (home-page "https://github.com/alexcrichton/scoped-tls")
 595     (synopsis "Rust library providing the old standard library's scoped_thread_local")
 596     (description "This crate provides a library implementation of the standard
 597 library's old @code{scoped_thread_local!} macro for providing scoped access to
 598 @dfn{thread local storage} (TLS) so any type can be stored into TLS.")
 599     (license (list license:asl2.0
 600                    license:expat))))
 601
 602 (define-public rust-scopeguard
 603   (package
 604     (name "rust-scopeguard")
 605     (version "1.0.0")
 606     (source
 607       (origin
 608         (method url-fetch)
 609         (uri (crate-uri "scopeguard" version))
 610         (file-name (string-append name "-" version ".tar.gz"))
 611         (sha256
 612          (base32
 613           "03aay84r1f6w87ckbpj6cc4rnsxkxcfs13n5ynxjia0qkgjiabml"))))
 614     (build-system cargo-build-system)
 615     (home-page "https://github.com/bluss/scopeguard")
 616     (synopsis "Scope guard which will run a closure even out of scope")
 617     (description "This package provides a RAII scope guard that will run a
 618 given closure when it goes out of scope, even if the code between panics
 619 (assuming unwinding panic).  Defines the macros @code{defer!},
 620 @code{defer_on_unwind!}, @code{defer_on_success!} as shorthands for guards
 621 with one of the implemented strategies.")
 622     (license (list license:asl2.0
 623                    license:expat))))
 624
 625 (define-public rust-semver-parser
 626   (package
 627     (name "rust-semver-parser")
 628     (version "0.9.0")
 629     (source
 630       (origin
 631         (method url-fetch)
 632         (uri (crate-uri "semver-parser" version))
 633         (file-name (string-append name "-" version ".tar.gz"))
 634         (sha256
 635          (base32
 636           "1ahqhvgpzhcsd28id7xnrjv4419i9yyalhm7d7zi430qx0hi2vml"))))
 637     (build-system cargo-build-system)
 638     (home-page "https://github.com/steveklabnik/semver-parser")
 639     (synopsis "Parsing of the semver spec")
 640     (description "This package provides for parsing of the semver spec.")
 641     (license (list license:asl2.0
 642                    license:expat))))
 643
 644 (define-public rust-shlex
 645   (package
 646     (name "rust-shlex")
 647     (version "0.1.1")
 648     (source
 649       (origin
 650         (method url-fetch)
 651         (uri (crate-uri "shlex" version))
 652         (file-name (string-append name "-" version ".tar.gz"))
 653         (sha256
 654          (base32
 655           "1lmv6san7g8dv6jdfp14m7bdczq9ss7j7bgsfqyqjc3jnjfippvz"))))
 656     (build-system cargo-build-system)
 657     (home-page "https://github.com/comex/rust-shlex")
 658     (synopsis "Split a string into shell words, like Python's shlex")
 659     (description "This crate provides a method to split a string into shell
 660 words, like Python's shlex.")
 661     (license (list license:asl2.0
 662                    license:expat))))
 663
 664 (define-public rust-slab
 665   (package
 666     (name "rust-slab")
 667     (version "0.4.2")
 668     (source
 669       (origin
 670         (method url-fetch)
 671         (uri (crate-uri "slab" version))
 672         (file-name (string-append name "-" version ".tar.gz"))
 673         (sha256
 674          (base32
 675           "1y59xsa27jk84sxzswjk60xcjf8b4fm5960jwpznrrcmasyva4f1"))))
 676     (build-system cargo-build-system)
 677     (home-page "https://github.com/carllerche/slab")
 678     (synopsis "Pre-allocated storage for a uniform data type")
 679     (description "This create provides a pre-allocated storage for a uniform
 680 data type.")
 681     (license license:expat)))
 682
 683 (define-public rust-spin
 684   (package
 685     (name "rust-spin")
 686     (version "0.5.0")
 687     (source
 688       (origin
 689         (method url-fetch)
 690         (uri (crate-uri "spin" version))
 691         (file-name (string-append name "-" version ".tar.gz"))
 692         (sha256
 693          (base32
 694           "0m9clchsj0rf13bggsgvbv9haiy0f6rhvnvkpvkk8720a5pkydj4"))))
 695     (build-system cargo-build-system)
 696     (home-page "https://github.com/mvdnes/spin-rs.git")
 697     (synopsis "Synchronization primitives based on spinning")
 698     (description "This crate provides synchronization primitives based on
 699 spinning.  They may contain data, are usable without @code{std},and static
 700 initializers are available.")
 701     (license license:expat)))
 702
 703 (define-public rust-stdweb-internal-runtime
 704   (package
 705     (name "rust-stdweb-internal-runtime")
 706     (version "0.1.4")
 707     (source
 708       (origin
 709         (method url-fetch)
 710         (uri (crate-uri "stdweb-internal-runtime" version))
 711         (file-name (string-append name "-" version ".tar.gz"))
 712         (sha256
 713          (base32
 714           "1nhpyra7glbwcpakhpj5a3d7h7kx1ynif473nzshmk226m91f8ym"))))
 715     (build-system cargo-build-system)
 716     (home-page "https://github.com/koute/stdweb")
 717     (synopsis "Internal runtime for the @code{stdweb} crate")
 718     (description "This crate provides internal runtime for the @code{stdweb}
 719 crate.")
 720     (license (list license:asl2.0
 721                    license:expat))))
 722
 723 (define-public rust-strsim
 724   (package
 725     (name "rust-strsim")
 726     (version "0.9.2")
 727     (source
 728       (origin
 729         (method url-fetch)
 730         (uri (crate-uri "strsim" version))
 731         (file-name (string-append name "-" version ".tar.gz"))
 732         (sha256
 733          (base32
 734           "1xphwhf86yxxmcpvm4mikj8ls41f6nf7gqyjm98b74mfk81h6b03"))))
 735     (build-system cargo-build-system)
 736     (home-page "https://github.com/dguo/strsim-rs")
 737     (synopsis "Rust implementations of string similarity metrics")
 738     (description "This crate includes implementations of string similarity
 739 metrics.  It includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro,
 740 and Jaro-Winkler.")
 741     (license license:expat)))
 742
 743 (define-public rust-synstructure-test-traits
 744   (package
 745     (name "rust-synstructure-test-traits")
 746     (version "0.1.0")
 747     (source
 748       (origin
 749         (method url-fetch)
 750         (uri (crate-uri "synstructure_test_traits" version))
 751         (file-name (string-append name "-" version ".tar.gz"))
 752         (sha256
 753          (base32
 754           "1b3fs2b9kc1gy9dilaxqjbdl4z0mlrbbxjzkprdx953rif1c3q66"))))
 755     (build-system cargo-build-system)
 756     (home-page "https://crates.io/crates/synstructure_test_traits")
 757     (synopsis "Helper test traits for synstructure doctests")
 758     (description
 759      "This package provides helper test traits for synstructure doctests.")
 760     (license license:expat)))
 761
 762 (define-public rust-unicode-xid
 763   (package
 764     (name "rust-unicode-xid")
 765     (version "0.1.0")
 766     (source
 767       (origin
 768         (method url-fetch)
 769         (uri (crate-uri "unicode-xid" version))
 770         (file-name
 771           (string-append name "-" version ".tar.gz"))
 772         (sha256
 773           (base32
 774             "1z57lqh4s18rr4x0j4fw4fmp9hf9346h0kmdgqsqx0fhjr3k0wpw"))))
 775     (build-system cargo-build-system)
 776     (home-page
 777       "https://github.com/unicode-rs/unicode-xid")
 778     (synopsis "Determine Unicode XID related properties")
 779     (description "Determine whether characters have the XID_Start
 780 or XID_Continue properties according to Unicode Standard Annex #31.")
 781     ;; Dual licensed.
 782     (license (list license:asl2.0 license:expat))))