func header_get(h http.Header, key string) string {
	if v := h[key]; len(v) > 0 {
		return v[0]
	}
	return ""
}
// get is like Get, but key must already be in CanonicalHeaderKey form.
//func (h Header) get(key string) string {
get is like Get, but key must already be in CanonicalHeaderKey form.
func (h Header) get(key string) string {
// get is like Get but key must already be in CanonicalHeaderKey form . // func ( h Header ) get ( key string ) string {
func header_get(h http.Header, key string) string {
	if v := h[key]; len(v) > 0 {
		return v[0]
	}
	return ""
}
func header_get ( h http . Header , key string ) string { if v := h [ key ] ; len ( v ) > 0 { return v [ 0 ] } return " " }
get is like Get, but key must already be in CanonicalHeaderKey form.
get is like Get but key must already be in CanonicalHeaderKey form .