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The Go programming language
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Tobias Klauser ce7534ff06 bytes: use Rabin-Karp algorithm for LastIndex 
Implement LastIndex using the Rabin-Karp algorithm akin to
strings.LastIndex

name              old time/op  new time/op  delta
LastIndexHard1-8  3.16ms ± 1%  1.44ms ± 0%  -54.35%  (p=0.008 n=5+5)
LastIndexHard2-8  3.17ms ± 1%  1.45ms ± 0%  -54.27%  (p=0.008 n=5+5)
LastIndexHard3-8  3.05ms ± 1%  1.44ms ± 1%  -52.58%  (p=0.008 n=5+5)

Change-Id: Ie8ddd179cd84dfa00e3e4e2327ef932975c88670
Reviewed-on: https://go-review.googlesource.com/c/go/+/166258
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-03-08 13:46:43 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api text/scanner: don't liberally consume (invalid) floats or underbars 2019-02-20 20:23:28 +00:00
doc doc: add missing paragraph break in Effective Go 2019-03-07 04:46:03 +00:00
lib/time time: read 64-bit data if available 2019-02-26 23:10:35 +00:00
misc misc: fix typos in various docs 2019-03-07 07:30:06 +00:00
src bytes: use Rabin-Karp algorithm for LastIndex 2019-03-08 13:46:43 +00:00
test cmd/compile: change the condition flags of floating-point comparisons in arm64 backend 2019-03-07 21:23:52 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: change email address for Elias Naur 2019-01-23 15:05:26 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.12 2019-01-30 18:01:19 +00:00
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README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 3.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://golang.org/dl/.

After downloading a binary release, visit https://golang.org/doc/install or load doc/install.html in your web browser for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://golang.org/doc/install/source or load doc/install-source.html in your web browser for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines: https://golang.org/doc/contribute.html

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://golang.org/wiki/Questions for a list of places to ask questions about the Go language.