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bufio: clarify the maximum token size
Fixes #43183 Change-Id: I50d99ef8ed513bba47166a25ea5c7c80cd8bd799
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@ -255,10 +255,10 @@ func (s *Scanner) setErr(err error) {
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}
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}
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// Buffer sets the initial buffer to use when scanning and the maximum
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// size of buffer that may be allocated during scanning. The maximum
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// token size is the larger of max and cap(buf). If max <= cap(buf),
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// Scan will use this buffer only and do no allocation.
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// Buffer sets the initial buffer to use when scanning
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// and the maximum size of buffer that may be allocated during scanning.
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// The maximum token size must be less than the larger of max and cap(buf).
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// If max <= cap(buf), Scan will use this buffer only and do no allocation.
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//
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// By default, Scan uses an internal buffer and sets the
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// maximum token size to MaxScanTokenSize.
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