MVFM

st/get

Read the current value of a mutable variable

// 1. make an app
const app = mvfm(prelude, st);

// 2. make a program
const prog = app({ x: "number" }, ($) => {
  const val = $.let($.add($.input.x, 5));
  return val.get();
});

// 3. run
await fold(
  defaults(app),
  injectInput(prog, { x: 7 })
);
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