typed.go
func (t Typed) StringOr(key string, d string) string {
	if value, exists := t.StringIf(key); exists {
		return value
	}
	return d
}
func (t Typed) StringOr(key string, d string) string {
	if value, exists := t.StringIf(key); exists {
		return value
	}
	return d
}
func ( t Typed ) StringOr ( key string , d string ) string { if value , exists := t . StringIf ( key ) ; exists { return value } return d }
// Returns a string at the key, or the specified
// value if it doesn't exist or isn't a string
Returns a string at the key or the specified value if it doesn t exist or isn t a string