Function CopyToRequest

httpheaders/copy.go:48–61

CopyToRequest copies headers from the provided header to the http.Request.

(header http.Header, req *http.Request)

// CopyToRequest copies headers from the provided header to the http.Request.
func CopyToRequest(header http.Header, req *http.Request) {
	for key, values := range header {
		if len(values) == 0 {
			continue
		}

		// Keys in http.Header are already canonicalized, so no need for http.CanonicalHeaderKey here
		if key == Host {
			req.Host = values[0]
		} else {
			req.Header[key] = append([]string(nil), values...)
		}
	}
}