Method error

checker/checker.go:239–247

(node ast.Node, format string, args ...any)

}

func (v *Checker) error(node ast.Node, format string, args ...any) Nature {
	if v.err == nil { // show first error
		v.err = &file.Error{
			Location: node.Location(),
			Message:  fmt.Sprintf(format, args...),
		}
	}
	return Nature{}
}

func (v *Checker) identifierNode(node *ast.IdentifierNode) Nature {
	for i := len(v.varScopes) - 1; i >= 0; i-- {