func time.subMono

4 uses

	time (current package)
		time.go#L1196: 		return subMono(t.ext, u.ext)
		time.go#L1210: func subMono(t, u int64) Duration {
		time.go#L1226: 		return subMono(runtimeNano()-startNano, t.ext)
		time.go#L1236: 		return subMono(t.ext, runtimeNano()-startNano)