hotdang-ca

class PaymentLine {
  double price;
  String name;
  int qty;
  
  PaymentLine({ this.price, this.name, this.qty });
}

void main() {
  List<PaymentLine> payments = <PaymentLine>[];

hotdang-ca

import 'dart:math';

/// Describes a distance unit for conversion
enum Unit {
  miles,
  kilometers,
  nauticalMiles,
}

/// Describes a decimal coordinate

hotdang-ca

void main() {
  List<String> uninitializedList;
  
  try {
    if (uninitializedList?.length == 1) {
      print('Length is equal to 1, not equal to null.');
    } else {
      print('Length is not equal to 1, it is equal to null');
    }
    

hotdang-ca

import 'dart:convert';

class Product {
  String name;
  Product({ required this.name });
  
  Map<String, dynamic> toJson() {
    const json = <String, dynamic>{};
    
    json['name'] = name;

hotdang-ca

import 'dart:mirrors';

class User {
  final String email;
  final String name;
  const User({required this.email, required this.name});
}

extension DeclarationMirrorExtension on DeclarationMirror {
  /// Name of this object or field

hotdang-ca

Future<void> doAThing() async {
  await Future.delayed(Duration(milliseconds: 500));

  try {
    print('Trying a dangerous thing...');
    await doADangerousThing();
  } catch (e) {
    print('There was a minor error: $e');
    rethrow;
  }

hotdang-ca

void main() {
  BvItem test1Item = BvItem(netSize: 1);
  BvItem test2Item = BvItem(netSize: 6);
  BvItem test3Item = BvItem(netSize: 7);
  BvItem test4Item = BvItem(netSize: 8);
  BvItem test5Item = BvItem(netSize: 14);
  BvItem test6Item = BvItem(netSize: 15);
  BvItem test7Item = BvItem(); // yes, null.
  
  num? netSizeA = isGrouped(test1Item) ?? (test1Item.netSize ?? -1);

hotdang-ca

/// Describes a television screen resolution
class ResolutionSize {
  /// The natural width of this resolution
  final int width;
  
  /// The natural height of this resolution
  final int height;
  
  /// A shorter technical name
  final String name;

hotdang-ca

class Cannabis {
  final String uom;
  final num p;
  
  Cannabis(this.uom, this.p);
}

void main() {
  List<Cannabis> product = [
    Cannabis('%', 5),

hotdang-ca

import "dart:mirrors";

class Product {
  String type;
  String brand;
  String model;

  Product(this.type, this.brand, this.model);
}