func copyHeaderWithoutOverwrite()

in handler/proxy_client.go [79:87]

• 9 lines of code
• 4 McCabe index (conditional complexity)

func copyHeaderWithoutOverwrite(dst, src http.Header) {
	for k, vv := range src {
		if _, ok := dst[k]; !ok {
			for _, v := range vv {
				dst.Add(k, v)
			}
		}
	}
}