num/neg

Negate a number (flip its sign)

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  return $.neg($.input.x);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  return $.neg($.input.x);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  return $.neg($.input.x);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

Ctrl+Enter