u := Err{
			msg:    msg,
			action: action,
			hint:   hint,
		}
		if err != nil {
			u.detail = err.Error()
		}
		return u
	}
}

// ErrorToErr inspects the passed error and transforms it
// to the appropriate UI error.
func ErrorToErr(err error) Err {
	if err == nil {
		return Err{}
	}

	// If this is already a Err, do nothing
	if e, ok := err.(Err); ok {

// turning text from readers into tokens.
type Tokenizer struct {
	tok  ScanToken
	s    *scanner.Scanner
	base *src.PosBase
	line int
	file *os.File // If non-nil, file descriptor to close.
}

func NewTokenizer(name string, r io.Reader, file *os.File) *Tokenizer {
	var s scanner.Scanner
	s.Init(r)
	// Newline is like a semicolon; other space characters are fine.

	Name2 string `gorm:"check:name <> 'jinzhu'"`
	Name3 string `gorm:"check:,name <> 'jinzhu'"`
}

func TestParseCheck(t *testing.T) {
	user, err := schema.Parse(&UserCheck{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("failed to parse user check, got error %v", err)
	}

	results := map[string]schema.CheckConstraint{
		"name_checker": {
			Name:       "name_checker",
			Constraint: "name <> 'jinzhu'",
		},

var arm64SpecialOperand map[string]arm64.SpecialOperand

// ARM64SpecialOperand returns the internal representation of a special operand.
func ARM64SpecialOperand(name string) arm64.SpecialOperand {
	if arm64SpecialOperand == nil {
		// Generate mapping when function is first called.
		arm64SpecialOperand = map[string]arm64.SpecialOperand{}
		for opd := arm64.SPOP_BEGIN; opd < arm64.SPOP_END; opd++ {
			arm64SpecialOperand[opd.String()] = opd
		}

)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := unix.Statvfs_t{}
	if err = unix.Statvfs(path, &s); err != nil {
		return Info{}, err
	}
	reservedBlocks := uint64(s.Bfree) - uint64(s.Bavail)
	info = Info{
		Total:  uint64(s.Frsize) * (uint64(s.Blocks) - reservedBlocks),
		Free:   uint64(s.Frsize) * uint64(s.Bavail),

	}

	t.Run("default", func(t *testing.T) {
		db, _ := gorm.Open(postgres.Open(postgresDSN), &gorm.Config{})
		user, err := schema.Parse(&LongString{}, &sync.Map{}, db.Config.NamingStrategy)
		if err != nil {
			t.Fatalf("failed to parse user unique, got error %v", err)
		}

		constraints := user.ParseUniqueConstraints()
		if len(constraints) != 1 {
			t.Fatalf("failed to find unique constraint, got %v", constraints)

func (c *lockRESTClient) Close() error {
	return nil
}

// String - returns the remote host of the connection.
func (c *lockRESTClient) String() string {
	return c.connection.Remote
}

func (c *lockRESTClient) call(ctx context.Context, h *grid.SingleHandler[*dsync.LockArgs, *dsync.LockResp], args *dsync.LockArgs) (ok bool, err error) {
	r, err := h.Call(ctx, c.connection, args)
	if err != nil {
		return false, err
	}

	"syscall"
)

// GetInfo returns total and free bytes available in a directory, e.g. `/`.
func GetInfo(path string, _ bool) (info Info, err error) {
	s := syscall.Statfs_t{}
	err = syscall.Statfs(path, &s)
	if err != nil {
		return Info{}, err
	}
	reservedBlocks := uint64(s.F_bfree) - uint64(s.F_bavail)
	info = Info{
		Total:  uint64(s.F_bsize) * (uint64(s.F_blocks) - reservedBlocks),
		Free:   uint64(s.F_bsize) * uint64(s.F_bavail),

func TestUnlockPanic(t *testing.T) {
	defer func() {
		if recover() == nil {
			t.Fatalf("unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewLRWMutex()
	mu.Unlock()
}

// Borrowed from rwmutex_test.go
func TestUnlockPanic2(t *testing.T) {
	defer func() {
		if recover() == nil {
			t.Fatalf("unlock of unlocked RWMutex did not panic")
		}
	}()
	mu := NewLRWMutex()

// Validate - validates the And field
func (a And) Validate() error {
	if a.ContainsDuplicateTag() {
		return errDuplicateTagKey
	}
	for _, t := range a.Tags {
		if err := t.Validate(); err != nil {
			return err
		}
	}
	return nil
}

// ContainsDuplicateTag - returns true if duplicate keys are present in And
func (a And) ContainsDuplicateTag() bool {
	x := make(map[string]struct{}, len(a.Tags))