$ sudo apt-get update
$ sudo apt-get install apt-transport-https
$ sudo sh -c 'wget -qO- https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add -'
$ sudo sh -c 'wget -qO- https://storage.googleapis.com/download.dartlang.org/linux/debian/dart_stable.list > /etc/apt/sources.list.d/dart_stable.list'

choco install dart-sdk

Dart is a Programmign language mainly used for Flutter.

flutter clean
flutter packages pub upgrade
flutter pub run build_runner build

console.log(sass.info);
// dart-sass    1.32.10 (Sass Compiler) [Dart]
// dart2js  2.0.0   (Dart Compiler) [Dart]

var ints = const <int?>[0, null];
var zero = ints[0]/*!*/;
var one = zero + 1;
var zeroOne = <int>[zero, one];

Dart is an open source, purely object-oriented, optionally typed, and a class-based language which has excellent support for functional as well as reactive programming. Unlike C# or Java, Dart is not bloated at all. In fact, it's a relatively simple, modern and highly efficient language to work with

dart migrate --apply-changes

analyzer:
  enable-experiment:
    - non-nullable

if (year >= 2001) {
  print('21st century');
} else if (year >= 1901) {
  print('20th century');
}

for (var object in flybyObjects) {
  print(object);
}

for (int month = 1; month <= 12; month++) {
  print(month);
}

while (year < 2016) {
  year += 1;
}