gistfile1.txt

% cat test/data/conditional.vl
load console

def booleanToString(value: boolean): string do
    if value then
        "yes"
    else
        "no"
    end
end

do
    console.log(booleanToString(true))
    console.log(booleanToString(false))
end
% esgenerate -c <(echo '{ "comment": true }') <(./vlinder.native test/data/conditional.vl)
/* @flow */
'use strict';
var __vlinder = require('vlinder/rt');
var __global = __vlinder.global;
var console = __global.console;
module.exports.booleanToString = function (value /* : boolean */)
    /* : string */
    {
        __vlinder.precondition('1 argument', arguments.length === 1);
        if (value) {
            return 'yes';
        } else {
            return 'no';
        }
    };
(function () {
    console.log(module.exports.booleanToString(true));
    console.log(module.exports.booleanToString(false));
}());