If there is a phi that is computing the minimum of its two inputs, then we know the result of the phi is smaller than or equal to both of its inputs. Similarly for maxiumum (although max seems less useful). This pattern happens for the case n := copy(a, b) n is the minimum of len(a) and len(b), so with this optimization we know both n <= len(a) and n <= len(b). That extra information is helpful for subsequent slicing of a or b. Fixes #16833 Change-Id: Ib4238fd1edae0f2940f62a5516a6b363bbe7928c Reviewed-on: https://go-review.googlesource.com/c/go/+/622240 Reviewed-by: Carlos Amedee <carlos@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: David Chase <drchase@google.com> |
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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 by Renee French, licensed under Creative Commons 4.0 Attribution 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://go.dev/dl/.
After downloading a binary release, visit https://go.dev/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://go.dev/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://go.dev/doc/contribute.
Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.