bool/not

Logical NOT — negates a boolean expression

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  const isSmall = $.lt($.input.x, 10);
  return $.not(isSmall);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  const isSmall = $.lt($.input.x, 10);
  return $.not(isSmall);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

const app = mvfm(prelude);
const prog = app({ x: "number" }, ($) => {
  const isSmall = $.lt($.input.x, 10);
  return $.not(isSmall);
});
await fold(defaults(app), injectInput(prog, { x: 42 }));

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