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json.go
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/
json.go
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package timeutils
import (
"errors"
"time"
)
const (
// RFC3339NanoFixed is our own version of RFC339Nano because we want one
// that pads the nano seconds part with zeros to ensure
// the timestamps are aligned in the logs.
RFC3339NanoFixed = "2006-01-02T15:04:05.000000000Z07:00"
// JSONFormat is the format used by FastMarshalJSON
JSONFormat = `"` + time.RFC3339Nano + `"`
)
// FastMarshalJSON avoids one of the extra allocations that
// time.MarshalJSON is making.
func FastMarshalJSON(t time.Time) (string, error) {
if y := t.Year(); y < 0 || y >= 10000 {
// RFC 3339 is clear that years are 4 digits exactly.
// See golang.org/issue/4556#c15 for more discussion.
return "", errors.New("time.MarshalJSON: year outside of range [0,9999]")
}
return t.Format(JSONFormat), nil
}