func net/http.checkIfModifiedSince

3 uses

	net/http (current package)
		fs.go#L470: func checkIfModifiedSince(r *Request, modtime time.Time) condResult {
		fs.go#L572: 		if checkIfModifiedSince(r, modtime) == condFalse {
		fs.go#L653: 		if checkIfModifiedSince(r, d.ModTime()) == condFalse {