internal

type ComplementQuery struct {
	Query Query
}

type DifferenceQuery struct {
	Left, Right Query
}

type IntersectionQuery struct {
	Left, Right Query
}

type Node struct {
	Name       string
	Attributes map[string]string
}

type Parser struct{}

type Query interface {
	Evaluate(attrs, attrvals map[string]Set, indices Set) Set
}

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

type Set []int

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

type Token struct {
	Kind TokenKind
	Text string
}

type TokenKind uint8

type UnionQuery struct {
	Left, Right Query
}

type ValueQuery struct {
	Expression string
}