# Links.js

    import AgentSet from './AgentSet.js'

    // Links are a collection of all the Link objects between turtles.
    /**
     * Links are a collection of all the {@link Link} objects between turtles.
     *
     */
    class Links extends AgentSet {
        // Use AgentSeet ctor: constructor (model, AgentClass, name)

        // Factories:
        // Add 1 or more links from the from turtle to the to turtle(s) which
        // can be a single turtle or an array of turtles. The optional init
        // proc is called on the new link after inserting in the agentSet.

        // Return a single link
        createOne(from, to, initFcn = link => {}) {
            const link = this.addAgent()
            link.init(from, to)
            initFcn(link)
            return link
        }

        // Return an array of links.
        // To can be an array or a single turtle (returning an array of 1 link)
        create(from, to, initFcn = link => {}) {
            // if (!Array.isArray(to)) return this.createOne(from, to, initFcn)
            if (!Array.isArray(to)) to = [to]
            // Return array of new links. REMIND: should be agentarray?
            return to.map(t => {
                // REMIND: skip dups
                // const link = this.addAgent()
                // link.init(from, t)
                // initFcn(link)
                // return link
                return this.createOne(from, t, initFcn)
            }) // REMIND: return single link if to not an array?
        }
    }

    export default Links