}

func oops() error {
	return MyError{
		time.Date(1989, 3, 15, 22, 30, 0, 0, time.UTC),
		"the file system has gone away",
	}
}

func Example() {
	if err := oops(); err != nil {
		fmt.Println(err)
	}
	// Output: 1989-03-15 22:30:00 +0000 UTC: the file system has gone away
}

func ExampleNew() {
	err := errors.New("emit macho dwarf: elf header corrupted")
	if err != nil {
		fmt.Print(err)
	}

	ObjectCountNotFoundErr = errors.New("object count not found for the given resource")

	// ObjectCountStaleErr is returned when the object count for a
	// given resource has gone stale due to transient failures.
	ObjectCountStaleErr = errors.New("object count has gone stale for the given resource")
)

// StorageObjectCountTracker is an interface that is used to keep track of
// of the total number of objects for each resource.

//go:build gc && !purego

package poly1305

//go:noescape
func update(state *macState, msg []byte)

// mac is a wrapper for macGeneric that redirects calls that would have gone to
// updateGeneric to update.
//
// Its Write and Sum methods are otherwise identical to the macGeneric ones, but
// using function pointers would carry a major performance cost.
type mac struct{ macGeneric }

	// We used c.Get(id) just now, so 5 days later it should still be kept.
	// On the other hand almost a full day has gone by since we wrote dummyID(2)
	// and we haven't looked at it since, so 5 days later it should be gone.
	now += 5 * 86400
	checkTime(fmt.Sprintf("%x-a", dummyID(2)), start)
	if err := c.Trim(); err != nil {
		t.Fatal(err)
	}
	if _, err := c.Get(id); err != nil {

go get rsc.io/quote@v1.3.0

# get should return the final error if that's all we have.
env GOPROXY=$proxy/404,$proxy/410
! go get rsc.io/quote@v1.4.0
stderr 'reading.*/410/rsc.io/.*: 410 Gone'

-- go.mod --

  for (int i = 0; i < kCompileThreshold + 1; ++i) {
    EXPECT_TRUE(profiler->RegisterCompilation(function, 1, false).ok());
  }
  profiler->RegisterExecution(function);

  // Shouldn't compile cluster since it has gone megamorphic.
  EXPECT_FALSE(
      profiler->ShouldCompileCluster(function, DeviceCompileMode::kAsync, 0));
  EXPECT_FALSE(
      profiler->ShouldCompileCluster(function, DeviceCompileMode::kLazy, 0));

env TESTGO_VERSION_SWITCH=switch

go get toolchain@go1.22.1
stderr '^go: added toolchain go1.22.1$'
! stderr '(added|removed|upgraded|downgraded) go'
grep 'toolchain go1.22.1' go.mod

go get toolchain@none
stderr '^go: removed toolchain go1.22.1$'
! stderr '(added|removed|upgraded|downgraded) go'
! grep toolchain go.mod

go get toolchain@go1.22.1
stderr '^go: added toolchain go1.22.1$'

//go:build gc && !purego

package poly1305

//go:noescape
func update(state *macState, msg []byte)

// mac is a wrapper for macGeneric that redirects calls that would have gone to
// updateGeneric to update.
//
// Its Write and Sum methods are otherwise identical to the macGeneric ones, but
// using function pointers would carry a major performance cost.
type mac struct{ macGeneric }

! go test -fuzz=FuzzWithAdd -run=None
! stdout ^ok
! stdout 'Failing input written to testdata[/\\]fuzz[/\\]FuzzWithAdd[/\\]'
stdout FAIL

# Test that fuzzing a target (with -run=None set) with a success in f.Add and a
# fuzztime of only 1 does not produce a crash.
go test -fuzz=FuzzWithGoodAdd -run=None -fuzztime=1x
stdout ok
! stdout FAIL

# Test that fuzzing a target (with -run=None set) with a failure in

// available.
//
//go:noescape
func updateVX(state *macState, msg []byte)

// mac is a replacement for macGeneric that uses a larger buffer and redirects
// calls that would have gone to updateGeneric to updateVX if the vector
// facility is installed.
//
// A larger buffer is required for good performance because the vector
// implementation has a higher fixed cost per call than the generic