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| -rw-r--r-- | gnu/packages/crates-io.scm | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm index ac5d68ae4b..f8632518a2 100644 --- a/gnu/packages/crates-io.scm +++ b/gnu/packages/crates-io.scm @@ -371,6 +371,29 @@ whether an expression matches a pattern.") (license (list license:asl2.0 license:expat)))) +(define-public rust-peeking-take-while + (package + (name "rust-peeking-take-while") + (version "0.1.2") + (source + (origin + (method url-fetch) + (uri (crate-uri "peeking_take_while" version)) + (file-name (string-append name "-" version ".tar.gz")) + (sha256 + (base32 + "16bhqr6rdyrp12zv381cxaaqqd0pwysvm1q8h2ygihvypvfprc8r")))) + (build-system cargo-build-system) + (home-page "https://github.com/fitzgen/peeking_take_while") + (synopsis "Provides the peeking_take_while iterator adaptor method") + (description + "Like @code{Iterator::take_while}, but calls the predicate on a peeked +value. This allows you to use @code{Iterator::by_ref} and +@code{Iterator::take_while} together, and still get the first value for which +the @code{take_while} predicate returned false after dropping the @code{by_ref}.") + (license (list license:asl2.0 + license:expat)))) + (define-public rust-proc-macro2 (package (name "rust-proc-macro2") |