coalescer

var (
	// ErrRollback is returned from Update() when a future transaction in the
	// same coalescing group returns an error and rolls back the transaction.
	ErrRollback = errors.New("rollback")

	// ErrInvalidLimit is returned when the limit passed to New() is
	// a non-positive integer.
	ErrInvalidLimit = errors.New("invalid coalescer limit")

	// ErrInvalidInterval is returned when the interval passed to New() is
	// a non-positive duration.
	ErrInvalidInterval = errors.New("invalid coalescer interval")
)