"use strict";

const { NoMatch, NotEnoughInput } = require("./symbols");

// This is a utility function for propagating NoMatches through the stack, without resorting to `throw`/`catch` (which can be slow)
// FIXME: Use a Result type instead?
// FIXME: Maybe we can get rid of this entirely? Now that we no longer have to handle NotEnoughInput within core-ops anymore at all
module.exports = function ifMatch(testResult, produceResult) {
	if (testResult === NoMatch || testResult === NotEnoughInput) {
		return testResult;
	} else {
		return produceResult(testResult);
	}
};