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bufio: clarify the maximum token size

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Fixes #43183.

Change-Id: I50d99ef8ed513bba47166a25ea5c7c80cd8bd799
GitHub-Last-Rev: 684d70e9a3
GitHub-Pull-Request: golang/go#61979
Reviewed-on: https://go-review.googlesource.com/c/go/+/518860
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
qiulaidongfeng 2023-08-16 02:04:19 +00:00 committed by Gopher Robot
parent 2f100187f6
commit 850b6ce33c
1 changed files with 4 additions and 4 deletions
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8
src/bufio/scan.go
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@ -255,10 +255,10 @@ func (s *Scanner) setErr(err error) {
}
}
// Buffer sets the initial buffer to use when scanning and the maximum
// size of buffer that may be allocated during scanning. The maximum
// token size is the larger of max and cap(buf). If max <= cap(buf),
// Scan will use this buffer only and do no allocation.
// Buffer sets the initial buffer to use when scanning
// and the maximum size of buffer that may be allocated during scanning.
// The maximum token size must be less than the larger of max and cap(buf).
// If max <= cap(buf), Scan will use this buffer only and do no allocation.
//
// By default, Scan uses an internal buffer and sets the
// maximum token size to MaxScanTokenSize.