}

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)
	}

//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 {

  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 }

// 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

                                    int64_t current_request_count);

  // Registers a cluster execution. Increments the execution count for the given
  // cluster and also determines whether the cluster has gone megamorphic (and
  // sets the megamorphic bit accordingly).
  void RegisterExecution(const NameAttrList& function);

  // Registers a cluster compilation. Increments the compilation count and

			}
			// This call can have different handlers, but the default chain rate limits. Call it after the metrics are updated
			// in case the rate limit delays it.  If you outrun the rate for this one timed out requests, something has gone
			// seriously wrong with your server, but generally having a logging signal for timeouts is useful.

                }

                @Override
                public Boolean visitMissing(MissingFileSnapshot missingSnapshot) {
                    // If the root has gone missing then we don't have overlaps
                    if (relativePath.isRoot()) {
                        return false;
                    }