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// 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)
}
}()
}
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