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Robert Findley c78a267bd4 go/types: return an error from Instantiate on incorrect len(targs) 
Instantiate already returns an error when validation fails. Panicking on
an incorrect number of type arguments means that callers must both
pre-validate the number of type arguments and handle resulting errors.
Returning an error rather than panicking allows eliminating
pre-validation at the call-site.

Also update the Instantiate docstring to correct some stale/inaccurate
information, and to clarify its behavior more precisely.

Updates #47916

Change-Id: I997ef30b3486760a90b0db4c3ea7111280d74a81
Reviewed-on: https://go-review.googlesource.com/c/go/+/363635
Trust: Robert Findley <rfindley@google.com>
Run-TryBot: Robert Findley <rfindley@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
 		2021-11-13 01:39:23 +00:00
.github .github: update IRC server 2021-09-30 19:56:27 +00:00
api syscall: migrate new UDP send/recv API to internal/syscall/unix 2021-11-03 21:45:33 +00:00
doc spec: fix a broken link 2021-11-11 19:44:13 +00:00
lib/time lib/time, time/tzdata: update to 2021e 2021-11-11 05:16:39 +00:00
misc misc/cgo/testshared: correct test of gccgo version number 2021-11-11 04:54:05 +00:00
src go/types: return an error from Instantiate on incorrect len(targs) 2021-11-13 01:39:23 +00:00
test test: fix longtest failures on fixedbugs/issue48471.go 2021-11-13 01:37:51 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
.gitignore internal/buildcfg: move build configuration out of cmd/internal/objabi 2021-04-16 19:20:53 +00:00
AUTHORS A+C: add Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
CONTRIBUTING.md
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CONTRIBUTORS A+C: add Leonard Wang (individual CLA) 2021-11-02 06:25:39 +00:00
LICENSE
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PATENTS
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README.md README.md: update contribute URL 2021-09-30 13:33:21 +00:00
SECURITY.md
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codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00

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.

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.