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time: clarify Unix, UnixNano, and In a bit

Fixes #23316

Change-Id: Ia1758b406d369bbfaace0bdfea02cd6f40735b65
Reviewed-on: https://go-review.googlesource.com/120060
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Brad Fitzpatrick 2018-06-20 19:36:14 +00:00
parent cdce824850
commit 3198b90ea8

View File

@ -1076,7 +1076,9 @@ func (t Time) Local() Time {
return t
}
// In returns t with the location information set to loc.
// In returns a copy of t representating the same time instant, but
// with the copy's location information set to loc for display
// purposes.
//
// In panics if loc is nil.
func (t Time) In(loc *Location) Time {
@ -1104,7 +1106,8 @@ func (t Time) Zone() (name string, offset int) {
}
// Unix returns t as a Unix time, the number of seconds elapsed
// since January 1, 1970 UTC.
// since January 1, 1970 UTC. The result does not depend on the
// location associated with t.
func (t Time) Unix() int64 {
return t.unixSec()
}
@ -1113,7 +1116,8 @@ func (t Time) Unix() int64 {
// since January 1, 1970 UTC. The result is undefined if the Unix time
// in nanoseconds cannot be represented by an int64 (a date before the year
// 1678 or after 2262). Note that this means the result of calling UnixNano
// on the zero Time is undefined.
// on the zero Time is undefined. The result does not depend on the
// location associated with t.
func (t Time) UnixNano() int64 {
return (t.unixSec())*1e9 + int64(t.nsec())
}