dictionary

type Entry struct {
	K, V interface{}
}

type I interface {
	Get(key interface{}) (val interface{})
	Set(key, val interface{})
	Lookup(key interface{}) (val interface{}, ok bool)
	Contains(key interface{}) bool
	Delete(key interface{})
	Clear()
	Len() int
	Entries() []Entry
	KeyTy() reflect.Type
	ValTy() reflect.Type
	KeysSorted() []interface{}
}

type Provider interface {
	Dictionary() I
}