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bufio: fix ExampleScanner_Bytes comment, add error check

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Followup to CL 51412.

Change-Id: Ic83c833e2c571cd7c8293d998ff745f181037a61
Reviewed-on: https://go-review.googlesource.com/c/go/+/183657
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Ian Lance Taylor 2019-06-24 11:54:15 -07:00
parent 5f7e9cedd2
commit d1d9ad583d
1 changed files with 4 additions and 1 deletions
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5
src/bufio/example_test.go
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@ -31,12 +31,15 @@ func ExampleScanner_lines() {
}
}
// Use return the most recent call to Scan as a []byte
// Return the most recent call to Scan as a []byte.
func ExampleScanner_Bytes() {
scanner := bufio.NewScanner(strings.NewReader("gopher"))
for scanner.Scan() {
fmt.Println(len(scanner.Bytes()) == 6)
}
if err := scanner.Err(); err != nil {
fmt.Fprintln(os.Stderr, "shouldn't see an error scanning a string")
}
// Output:
// true
}