model

type Field struct {
	*Validatable
	Name     string
	FType    string
	Tag      *Tag // TODO prepare a tag type
	TypeNode ast.Node
}

type Range struct {
	Left, Right int
}

type Tag struct {
	Ignore   bool
	Range    Range
	FuncName string
}

type TemplateData struct {
	ValidatorName  string
	TargetTypeName string
	Snippets       []string
}

type Validatable struct {
	ValidatorName string
	Name          string
	Fields        []Field
}