func encoding/json/v2.appendDurationISO8601
2 uses
encoding/json/v2 (current package)
arshal_time.go#L260: return appendDurationISO8601(b, a.td), nil
arshal_time.go#L466: func appendDurationISO8601(b []byte, d time.Duration) []byte {
The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)