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Josh Bleecher Snyder 526ee96f49 os: avoid allocation in File.WriteString 
Instead of alloc+copy to convert the string
to a byte slice, do an unsafe conversion.

Rely on the kernel not to scribble on the
buffer during the write.

Fixes #42406

Change-Id: I66f4838b43a11bcc3d67bbfa1706726318d55343
Reviewed-on: https://go-review.googlesource.com/c/go/+/268020
Trust: Josh Bleecher Snyder <josharian@gmail.com>
Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
2021-02-25 19:42:00 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api syscall: restore broken GetQueuedCompletionStatus signature but make it not crash 2021-02-24 23:35:00 +00:00
doc spec: improve sentence structure for passing a slice 2021-02-24 05:23:32 +00:00
lib/time lib/time, time/tzdata: update tzdata to 2021a 2021-01-25 16:08:46 +00:00
misc all: use more precise build tags 2021-02-23 19:55:03 +00:00
src os: avoid allocation in File.WriteString 2021-02-25 19:42:00 +00:00
test cmd/compile: fix mishandling of unsafe-uintptr arguments with call method in go/defer 2021-02-25 18:49:25 +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 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 for source installation instructions.

Contributing

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

To contribute, please read the contribution guidelines at 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.