yvonmanzi

(function :Int maxFromList [ :Array<Int> list]
// Looks like variables declared inside `let` are all final. ?? Humn...
// Ooooh, you need a `&mut` to indicate mutability. ie. by default all
// variables are immutable. 
 (let [&mut :Int maxNumber 0]
 //lovely almost pythonic syntax
   (doFor number list
      (set maxNumber (max maxNumber number))
   )
   maxNumber)

yvonmanzi

import 'package:flutter/material.dart';
import 'dart:math';


void main() => runApp(HomePage());

class HomePage extends StatefulWidget {
  @override
  _HomePageState createState() => _HomePageState();
}

yvonmanzi

var computerName = "pc"; //Note that not all languages can infer types.

yvonmanzi

String computerName = "mac";