env

This module defines the environment and variable-related objects. It is available like that:

import {any} from 'deep6/env.js';

The following objects are defined:

• Env — a class to create an environment object.
• Unifier — an interface for custom unifiers.
  • isUnifier(x) — returns a truthy value for objects based on Unifier.
• Variable — a class to create variable objects that can be used with Env.
  • isVariable(x) — returns a truthy value for objects based on Variable.
  • variable([name]) — creates a variable object.
• any (or _) — special object that matches anything.