// escapeKey look if the given key contains something
// else than alphnum _ -, and wraps it in double quote if.
escapeKey look if the given key contains something
else than alphnum _ -, and wraps it in double quote if.
// escapeKey look if the given key contains something // else than alphnum _ - and wraps it in double quote if .
func escapeKey(k string) string {
	if !re.MatchString(k) {
		return `"` + k + `"`
	}
	return k
}
func escapeKey ( k string ) string { if ! re . MatchString ( k ) { return `"` + k + `"` } return k }
escapeKey look if the given key contains something
else than alphnum _ -, and wraps it in double quote if.
escapeKey look if the given key contains something else than alphnum _ - and wraps it in double quote if .