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io: minor improvements to doc comment on WriteString.
Change-Id: Iddcd0cfb8f2c2f1c4ad7a94b50a9f65b543862c4 Reviewed-on: https://go-review.googlesource.com/10473 Reviewed-by: Minux Ma <minux@golang.org>
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@ -273,8 +273,8 @@ type stringWriter interface {
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WriteString(s string) (n int, err error)
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}
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// WriteString writes the contents of the string s to w, which accepts an array of bytes.
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// If w already implements a WriteString method, it is invoked directly.
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// WriteString writes the contents of the string s to w, which accepts a slice of bytes.
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// If w implements a WriteString method, it is invoked directly.
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func WriteString(w Writer, s string) (n int, err error) {
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if sw, ok := w.(stringWriter); ok {
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return sw.WriteString(s)
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