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time: rewrite ExampleDuration_Nanoseconds to be more idiomatic.

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Fix the punctuation and use the proper units for microseconds,
while explaining the incorrect but common variant 'us'.

Change-Id: I9e96694ef27ab4761efccd8616ac7b6700f60d39
Reviewed-on: https://go-review.googlesource.com/c/163917
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Rob Pike 2019-02-27 11:41:48 +11:00
parent 6fa7669fd7
commit 9426d8c633
1 changed files with 8 additions and 3 deletions
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11
src/time/example_test.go
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@ -113,9 +113,14 @@ func ExampleDuration_Minutes() {
}
func ExampleDuration_Nanoseconds() {
u, _ := time.ParseDuration("1us")
fmt.Printf("one microsecond has %d nanoseconds.", u.Nanoseconds())
// Output: one microsecond has 1000 nanoseconds.
u, _ := time.ParseDuration("1µs")
fmt.Printf("One microsecond is %d nanoseconds.\n", u.Nanoseconds())
// The package also accepts the incorrect but common prefix u for micro.
v, _ := time.ParseDuration("1us")
fmt.Printf("One microsecond is %6.2e seconds.\n", v.Seconds())
// Output:
// One microsecond is 1000 nanoseconds.
// One microsecond is 1.00e-06 seconds.
}
func ExampleDuration_Seconds() {