package interpreter

type environment struct {
	values map[string]any
}

func newEnvironment() *environment {
	return &environment{values: make(map[string]any)}
}

func (e *environment) define(name string, value any) {
	e.values[name] = value
}

func (e *environment) get(name string) any {
	value, ok := e.values[name]
	if !ok {
		panic("Undefined variable '" + name + "'.")
	}

	return value
}