net/http.response.statusBuf (field) 2 uses net/http (current package) server.go#L478: statusBuf [3]byte server.go#L1484: writeStatusLine(w.conn.bufw, w.req.ProtoAtLeast(1, 1), code, w.statusBuf[:])
The pages are generated with Golds v0.2.8-preview. (GOOS=darwin GOARCH=arm64)