Chralu

Keybase proof

I hereby claim:

• I am chralu on github.
• I am chralu (https://keybase.io/chralu) on keybase.
• I have a public key ASBz-T9RRueGOnDfznGTvyOiIgKfMeWFPjY3PMFmPWGY6go

To claim this, I am signing this object:

Chralu

import 'package:flutter/material.dart';

const Color darkBlue = Color.fromARGB(255, 18, 32, 47);

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

Chralu

import 'package:flutter/material.dart';

class ColumnDemo extends StatelessWidget {
  const ColumnDemo({super.key});

  @override
  Widget build(BuildContext context) {
    return Column(
      textDirection: TextDirection.ltr,
      crossAxisAlignment: CrossAxisAlignment.center, // Positionnement horizontal

Chralu

class Logger {
  static Logger instance = Logger();

  static void debug(String message) => instance.log(
      level: "DEBUG",
      message: message,
    );
  
  static void info(String message) => instance.log(
    level: "INFO",

Chralu

const daysInYear = 365;

class Person {
  final String firstname;
  final String lastname;
  final double? weight;
  final DateTime birthdate;

  Person({
    required this.firstname,

Chralu

class Person {
  static const daysInYear = 365;
  
  final String firstname;
  final String lastname;
  final double? weight;
  final DateTime birthdate;

  Person({
    required this.firstname,

Chralu

class Person {
  final String firstname;
  final String lastname;
  final double? weight;

  Person({
    required this.firstname,
    required this.lastname,
    this.weight,
  });

Chralu

class Person {
  final String firstname;
  final String lastname;
  final double? weight;
  
  // Constructeur avec des paramètres 
  // nommés.
  Person({
    required this.firstname,
    required this.lastname,

Chralu

void main() {  
  String? unStringNullable;
  
  // KO : Interdiction d'appeler directement une méthode ou 
  // propriété sur un objet nullable.
  // Ainsi, le langage empêche les [NullPointerException] lors
  // de l'exécution du code
//   unStringNullable.length;
  
  // OK : L'opérateur `?.` appelle la méthode seulement si 

Chralu

/// Affiche un [message] de debug dans la console
///
/// Le [message] sera préfixé du niveau de log : DEBUG.
void logd(String message) {
  print("[DEBUG] ${message}");
}


void main() {
  String? unStringNullable;