Joe Tsai 0d8a4bfc96 bufio: add Writer.AvailableBuffer ... This adds a new Writer.AvailableBuffer method that returns an empty buffer with a possibly non-empty capacity for use with append-like APIs. The typical usage pattern is something like: b := bw.AvailableBuffer() b = appendValue(b, v) bw.Write(b) It allows logic combining append-like APIs with bufio.Writer to avoid needing to allocate and manage buffers themselves and allows the append-like APIs to directly write into the buffer for a bufio.Writer. Fixes #47527 Change-Id: I9cd169f3f8e8c7cd40818caf3daf1944c826fc66 Reviewed-on: https://go-review.googlesource.com/c/go/+/345569 Trust: Joe Tsai <joetsai@digital-static.net> Run-TryBot: Joe Tsai <joetsai@digital-static.net> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>		2021-09-12 01:06:53 +00:00
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bufio.go	bufio: add Writer.AvailableBuffer	2021-09-12 01:06:53 +00:00
bufio_test.go	bufio: add Writer.AvailableBuffer	2021-09-12 01:06:53 +00:00
example_test.go	bufio: add Writer.AvailableBuffer	2021-09-12 01:06:53 +00:00
export_test.go	bufio: add Reader.Size and Writer.Size accessors	2017-11-02 17:17:44 +00:00
scan.go	bufio: mention ErrFinalToken in SplitFunc documentation	2021-04-30 19:34:38 +00:00
scan_test.go	bufio: test for exact error value in TestNegativeEOFReader and TestLargeReader	2020-06-17 14:47:32 +00:00