errors

type Categorized interface {
	error
	Group() string
	Kind() string
	Cause() error
}

type Formal interface {
	Categorized
	Arg(n int) interface{}
	Length() int
}

type FormalType struct {
	Type
	// contains filtered or unexported fields
}

type GroupKind struct {
	// contains filtered or unexported fields
}

type StackTracer interface {
	StackTrace() errors.StackTrace
}

type Type struct {
	GroupKind
}