func net/http.checkIfUnmodifiedSince
2 uses
net/http (current package)
fs.go#L421: func checkIfUnmodifiedSince(r *Request, modtime time.Time) condResult {
fs.go#L556: ch = checkIfUnmodifiedSince(r, modtime)
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)