const lib = require("failable-result");

const fun = b => b ? lib.createResult(b) : lib.createFailure(b);

[fun(true), fun(false)].forEach(x => x.handle(
    result => console.log(`result: [${result}]`),
    failure => console.error(`failure: [${failure}]`)
));

/* ***Output***
 * result: [true]
 * failure: [false]
 * /