net/http.extraHeader.contentLength (field)
4 uses
net/http (current package)
server.go#L1172: contentLength []byte // written if not nil
server.go#L1198: if h.contentLength != nil {
server.go#L1200: w.Write(h.contentLength)
server.go#L1292: setHeader.contentLength = strconv.AppendInt(cw.res.clenBuf[:0], int64(len(p)), 10)
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)