Can't time-travel into the future

[kernelmethod]

Steps to reproduce

test.js

var x = 1;
console.log(x@-1);
x = 2;

Running TIMESCRIPT:

$ node timescript.js test.ts
UnaryExpression {
  type: 'UnaryExpression',
  operator: '-',
  argument: Literal { type: 'Literal', value: 1, raw: '1' },
  prefix: true }
/home/will/Desktop/test/TIMESCRIPT/timescript.js:66
    throw Error(
    ^

Error: UnaryExpression is an unimplemented langugage feature. Don't be surprised, most of the language is unimplemented.
    at compile (/home/will/Desktop/test/TIMESCRIPT/timescript.js:66:11)
    at compile (/home/will/Desktop/test/TIMESCRIPT/timescript.js:37:65)
    at Array.map (<anonymous>)
    at compile (/home/will/Desktop/test/TIMESCRIPT/timescript.js:45:58)
    at compile (/home/will/Desktop/test/TIMESCRIPT/timescript.js:42:16)
    at Array.map (<anonymous>)
    at compile (/home/will/Desktop/test/TIMESCRIPT/timescript.js:10:26)
    at main (/home/will/Desktop/test/TIMESCRIPT/timescript.js:78:27)
    at FSReqWrap.readFileAfterClose [as oncomplete] (internal/fs/read_file_context.js:53:3)

[apccurtiss]

The language currently does not support Futures. Those are functional programming tools and functional programming requires immutability, which we can all degree is stupid temporalist garbage. The spec committee may one day agree to it if lobbied hard enough.