you should use Sub function
Time include two part. Nanosecond method just return field of nsec. not
nanoseconds since from 1970
type Time struct {
// sec gives the number of seconds elapsed since
// January 1, year 1 00:00:00 UTC.
sec int64
// nsec specifies a non-negative nanosecond
// offset within the second named by Seconds.
// It must be in the range [0, 999999999].
nsec int32
loc *Location
}
On Friday, November 25, 2016 at 3:38:23 PM UTC+8, Xu Lei wrote:
>
>
> ......
>
> sTime := time.Now().Nanosecond()
>
>
> defer func() {
>
>
> eTime := time.Now().Nanosecond()
>
>
> debug("Success for ", qname, "for", (eTime-sTime)/1000000)
>
>
> }()
>
> ......
>
>
> i got negative value for (eTime - sTime) when defer function calls
>
> is there any thing wrong for this ?
>
> i used to thought that eTime should be greater then sTime
>
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