Interface Haecceity

structable.go:238–246

Haecceity implements John Duns Scotus. Actually, it is responsible for testing whether a thing exists, and is what we think it is.

// Actually, it is responsible for testing whether a thing exists, and is
// what we think it is.
type Haecceity interface {
	// Exists verifies that a thing exists and is of this type.
	// This uses the PRIMARY_KEY to verify that a record exists.
	Exists() (bool, error)
	// ExistsWhere verifies that a thing exists and is of the expected type.
	// It takes a WHERE clause, and it needs to gaurantee that at least one
	// record matches. It need not assure that *only* one item exists.
	ExistsWhere(interface{}, ...interface{}) (bool, error)
}

// Implements the Recorder interface, and stores data in a DB.
type DbRecorder struct {