// errorcheck

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test that incorrect uses of the blank identifier are caught.
// Does not compile.

package _	// ERROR "invalid package name"

var t struct {
	_ int
}

func (x int) _() { // ERROR "methods on non-local type"
	println(x)
}

type T struct {
      _ []int

// errorcheck

// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that various erroneous type switches are caught by the compiler.
// Does not compile.

package main

func notused(x interface{}) {
	// The first t is in a different scope than the 2nd t; it cannot
	// be accessed (=> declared and not used error); but it is legal

// license that can be found in the LICENSE file.

// CL 21202 introduced a compiler crash in the handling of a varargs
// function in the same recursive group as a function that calls it.
// Nothing in the standard library caught the problem, so adding a test.

package p

func F1(p *int, a ...*int) (int, *int) {
	if p == nil {
		return F2(), a[0]
	}
	return 0, a[0]
}

func F2() int {
	var i0, i1 int

   *     treated like any other {@code Exception} in all respects except that, when it is caught,
   *     the thread's interrupt status is set
   * @since 11.0
   */
  public Map<K, V> loadAll(Iterable<? extends K> keys) throws Exception {
    // This will be caught by getAll(), causing it to fall back to multiple calls to
    // LoadingCache.get
    throw new UnsupportedLoadingOperationException();

package sample

type Html struct {
	headerIDs map[string]int
}

// We don't want to see:
//    internal error: (*Html).xyzzy autotmp_3 (type *int) recorded as live on entry, p.Pc=0
// or (now, with the error caught earlier)
//    Treating auto as if it were arg, func (*Html).xyzzy, node ...
// caused by racewalker inserting instrumentation before an OAS where the Ninit

// errorcheck

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that erroneous type switches are caught by the compiler.
// Issue 2700, among other things.
// Does not compile.

package main

import (
	"io"
)

type I interface {
	M()
}

func main() {
	var x I
	switch x.(type) {

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that various kinds of "imported and not used"
// errors are caught by the compiler.
// Does not compile.

package main

// standard
import "fmt"	// ERROR "imported and not used.*fmt|\x22fmt\x22 imported and not used"

// renamed

// errorcheck

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify simple assignment errors are caught by the compiler.
// Does not compile.

package main

import "sync"

type T struct {
	int
	sync.Mutex
}

func main() {
	{
		var x, y sync.Mutex
		x = y // ok
		_ = x
	}
	{
		var x, y T

   *
   * @since 7.0
   */
  @Override
  protected boolean standardContains(@CheckForNull Object object) {
    try {
      // any ClassCastExceptions and NullPointerExceptions are caught
      @SuppressWarnings({"unchecked", "nullness"})
      SortedSet<@Nullable Object> self = (SortedSet<@Nullable Object>) this;
      Object ceiling = self.tailSet(object).first();

// errorcheck

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Verify that erroneous initialization expressions are caught by the compiler
// Does not compile.

package main

type S struct {
	A, B, C, X, Y, Z int
}

type T struct {
	S
}

var x = 1