func net/http.checkIfModifiedSince

3 uses

	net/http (current package)
		fs.go#L563: func checkIfModifiedSince(r *Request, modtime time.Time) condResult {
		fs.go#L666: 		if checkIfModifiedSince(r, modtime) == condFalse {
		fs.go#L751: 		if checkIfModifiedSince(r, d.ModTime()) == condFalse {