impl/typescript.ts

Imports name this capability’s declared dependencies, which fune builds next to it in your project; each one links to its page.

import { type Money, assertSameCurrency, money } from "./money_amount.ts";  ← from money.amount ^1.0.0 · built alongside by fune

export function addMoney(a: Money, b: Money): Money {
  assertSameCurrency(a, b);
  return money(a.minor + b.minor, a.currency);
}

export function subtractMoney(a: Money, b: Money): Money {
  assertSameCurrency(a, b);
  return money(a.minor - b.minor, a.currency);
}

export function negateMoney(a: Money): Money {
  return money(-a.minor, a.currency);
}