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go/api
Rob Pike 668041ef66 fmt: add Append, Appendln, Appendf
These are straightforward variants of the existing Sprintf etc.,
but append the resulting bytes to a provided buffer rather than
returning a string.

Internally, there is potentially some allocation because the package
uses a pool of buffers to build its output. We make no attempt to
override that, so the result is first printed into the pool and
then copied to the output. Since it is a managed pool, asymptotically
there should be no extra allocation.

Fixes #47579

RELNOTE=yes

Change-Id: Icef797f9b6f0c84d03e7035d95c06cdb819e2649
Reviewed-on: https://go-review.googlesource.com/c/go/+/406177
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2022-05-17 18:55:46 +00:00
..
next fmt: add Append, Appendln, Appendf 2022-05-17 18:55:46 +00:00
except.txt html/template: make FuncMap a type alias of text/template.FuncMap 2022-03-31 00:54:34 +00:00
go1.1.txt strconv: quote rune 007F as \x7f, not \u007f 2022-03-31 20:37:15 +00:00
go1.2.txt
go1.3.txt
go1.4.txt
go1.5.txt api: update go1.5.txt 2015-07-30 21:14:09 +00:00
go1.6.txt go/types: rename Importer2 to ImporterFrom 2016-01-13 23:40:13 +00:00
go1.7.txt unicode: upgrade to version 9.0.0 2016-06-28 15:08:11 +00:00
go1.8.txt Revert "cmd/go: note when some Go files were ignored on no-Go-files errors" 2016-12-21 05:25:57 +00:00
go1.9.txt cmd/api: set architecture sizes when type checking 2021-10-04 20:20:20 +00:00
go1.10.txt text/template: revert CL 66410 "add break, continue actions in ranges" 2018-02-06 05:00:01 +00:00
go1.11.txt crypto/tls: make ConnectionState.ExportKeyingMaterial a method 2018-08-22 03:48:56 +00:00
go1.12.txt api: add os.(*File).SyscallConn to go1.12.txt 2019-01-02 21:21:53 +00:00
go1.13.txt api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
go1.14.txt go/types: unexport Checker.LookupFieldOrMethod 2020-01-31 14:46:05 +00:00
go1.15.txt go/printer: remove exported StdFormat flag 2020-07-17 02:15:01 +00:00
go1.16.txt api/go1.16: add go/build/constraint APIs 2021-01-27 21:11:22 +00:00
go1.17.txt cmd/api: set architecture sizes when type checking 2021-10-04 20:20:20 +00:00
go1.18.txt runtime/debug: replace (*BuildInfo).Marshal methods with Parse and String 2022-02-09 19:44:03 +00:00
go1.txt
README cmd/api: require proposal # for new API features 2022-03-14 21:43:16 +00:00

Files in this directory are data for Go's API checker ("go tool api", in src/cmd/api).

Each file is a list of API features, one per line.

go1.txt (and similarly named files) are frozen once a version has been
shipped. Each file adds new lines but does not remove any.

except.txt lists features that may disappear without breaking true
compatibility.

Starting with go1.19.txt, each API feature line must end in "#nnnnn"
giving the GitHub issue number of the proposal issue that accepted
the new API. This helps with our end-of-cycle audit of new APIs.
The same requirement applies to next/* (described below), which will
become a go1.XX.txt for XX >= 19.

The next/ directory contains the only files intended to be mutated.
Each file in that directory contains a list of features that may be added
to the next release of Go. The files in this directory only affect the
warning output from the go api tool. Each file should be named
nnnnn.txt, after the issue number for the accepted proposal.
(The #nnnnn suffix must also appear at the end of each line in the file;
that will be preserved when next/*.txt is concatenated into go1.XX.txt.)