func (role *Role) Get(name string) (Checker, bool) {
	fc, ok := role.definitions[name]
	return fc, ok
}
func (role *Role) Get(name string) (Checker, bool) {
	fc, ok := role.definitions[name]
	return fc, ok
}
func ( role * Role ) Get ( name string ) ( Checker , bool ) { fc , ok := role . definitions [ name ] return fc , ok }
// Get role defination
Get role defination