Full Adder

full-adder.js

let fullAdder = (a, b, c) => [(a ^ b) ^ c, ~(~(a & b) & ~((a ^ b) & c))];

[
  { args: [0, 0, 0], expect: {sum: 0, carry: 0}},
  { args: [0, 0, 1], expect: {sum: 1, carry: 0}},
  { args: [0, 1, 0], expect: {sum: 1, carry: 0}},
  { args: [0, 1, 1], expect: {sum: 0, carry: 1}},
  { args: [1, 0, 0], expect: {sum: 1, carry: 0}},
  { args: [1, 0, 1], expect: {sum: 0, carry: 1}},
  { args: [1, 1, 0], expect: {sum: 0, carry: 1}},
  { args: [1, 1, 1], expect: {sum: 1, carry: 1}},
].forEach(test => {
  let result = fullAdder(...test.args);
  console.log(result[0] === test.expect.sum);
  console.log(result[1] === test.expect.carry);
});