Code Baby

baby.js

const assert = (...args) => {
  this.args = args

  return {
    equals: (arg) => {
      console.log(`${this.args.join(' + ')} = ${arg}`)
      return this.args
    }
  }
  return this;
}

const male = String.fromCodePoint(0x1F468)
const female = String.fromCodePoint(0x1F469)
const offspring = String.fromCodePoint(0x1F476)

assert(male, female).equals(String.fromCodePoint(0x1F476))

👨 + 👩 = 👶