// Copyright (c) 2023  Teddy Wing
//
// This file is part of Gocapturedrefrace.
//
// Gocapturedrefrace is free software: you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// Gocapturedrefrace is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Gocapturedrefrace. If not, see
// <https://www.gnu.org/licenses/>.


package main

import (
	"errors"
	"log"
)

func shadow() {
	var err error
	err = nil
	if err != nil {
		log.Print(err)
	}

	go func() {
		// err is redeclared here and shadows the outer scope. No diagnostic
		// should be printed.
		err := errors.New("shadowing err")
		if err != nil {
			log.Print(err)
		}
	}()

	go func() {
		// err is redeclared here and shadows the outer scope. No diagnostic
		// should be printed.
		var err error
		err = errors.New("shadowing declaration err")
		if err != nil {
			log.Print(err)
		}
	}()
}

func multiIdentifierDeclaration() {
	var err1, err2 error
	err1 = nil
	err2 = nil
	if err1 != nil || err2 != nil {
		log.Print(err1, err2)
	}

	go func() {
		// err1 and err2 are redeclared here and shadow the outer scope. No
		// diagnostic should be printed.
		var err1, err2 error
		err1 = errors.New("shadowing declaration err1")
		err2 = errors.New("shadowing declaration err2")
		if err1 != nil || err2 != nil {
			log.Print(err1, err2)
		}
	}()
}