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Joe Tsai e88f89028a bytes, string: add Reset method to Reader
Currently, there is no easy allocation-free way to turn a
[]byte or string into an io.Reader. Thus, we add a Reset method
to bytes.Reader and strings.Reader to allow the reuse of these
Readers with another []byte or string.

This is consistent with the fact that many standard library io.Readers
already support a Reset method of some type:
	bufio.Reader
	flate.Reader
	gzip.Reader
	zlib.Reader
	debug/dwarf.LineReader
	bytes.Buffer
	crypto/rc4.Cipher

Fixes #15033

Change-Id: I456fd1af77af6ef0b4ac6228b058ac1458ff3d19
Reviewed-on: https://go-review.googlesource.com/21386
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-04-07 18:58:01 +00:00
.github doc: update issue template 2016-03-09 00:52:16 +00:00
api api: update next.txt 2016-03-21 07:46:44 +00:00
doc doc: add httptest.ResponseRecorder note to go1.7.txt notes 2016-04-05 16:05:16 +00:00
lib/time misc: update timezone database to IANA 2016a 2016-02-03 03:14:59 +00:00
misc cmd/go: fix -buildmode=c-archive should work on windows 2016-04-04 03:38:25 +00:00
src bytes, string: add Reset method to Reader 2016-04-07 18:58:01 +00:00
test cmd/compile: fold CMPconst and SHR 2016-04-07 13:28:13 +00:00
.gitattributes .gitattributes: prevent all magic line ending changes 2014-12-12 23:14:54 +00:00
.gitignore .gitignore: ignore src/go/build/zcgo.go 2016-02-24 04:25:46 +00:00
AUTHORS A+C: manual updates 2016-01-08 06:02:39 +00:00
CONTRIBUTING.md doc: use new Gerrit URL and mention our instance in CONTRIBUTING.md 2016-03-09 00:52:42 +00:00
CONTRIBUTORS C: fix jbd's identity 2016-04-07 18:25:13 +00:00
favicon.ico godoc: update favicon 2012-10-11 17:02:36 +11:00
LICENSE doc: update licensing text one more time 2012-03-27 15:09:13 +11:00
PATENTS
README.md readme: emphasize issue tracker is for bugs/proposals 2015-10-02 18:44:14 +00:00
robots.txt

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