jodinathan

Keybase proof

I hereby claim:

• I am jodinathan on github.
• I am jonathanrezende (https://keybase.io/jonathanrezende) on keybase.
• I have a public key ASDyOuys-vhGZARfny2WNtzFeimEKPh-im5_n4_nH_qwHAo

To claim this, I am signing this object:

jodinathan

extension AdvObj on Object {
  bool get isNotNull => this != null;
}
void main() async {
  String a;
  
  print(a.isNotNull ? 'not null' : 'null');
  
  a = 'ooooo';
  

jodinathan

extension AdvObj on Object {
  bool get isNotNull => this != null;
}
void main() async {
  String a;
  
  print(a.isNotNull ? 'not null' : 'null');
  
  a = 'ooooo';
  

jodinathan

Stream<T> transformInto<T, Y>(Stream<Y> stream, T Function(Y item) fn,
    {bool? cancelOnError}) {
  StreamSubscription<T> _change(Stream<Y> input, bool cancelOnError) {
    late StreamSubscription<Y> subscription;
    
    // Create controller that forwards pause, resume and cancel events.
    final controller = StreamController<T>(
        onPause: () {
          subscription.pause();

jodinathan

import 'dart:async';

class A {
  var ctrl = StreamController();
  var cc = 0;
  
  run() {
    ctrl.stream.forEach((ev) {
    print(ev ?? 0);
  });

jodinathan

{
	"info": {
		"_postman_id": "79c9c0a7-a552-4cef-85f9-9a7d4f3bf343",
		"name": "Nutror",
		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
	},
	"item": [
		{
			"name": "courses",
			"item": [

jodinathan

class A<T extends dynamic> {
  Function(A<T>) go;
}

class B<T extends dynamic> extends A<T> {
  
}


void main() async {

jodinathan

class Complex {
  num _real;
  num _imaginary;

  num get real => _real;
  num get imaginary => _imaginary;
  set real(num r) {
    if(r < 0) return;
    _real = r;
  }

jodinathan

class Complex {
  num _real;
  num _imaginary;

  num get real => _real;
  num get imaginary => _imaginary;
  set real(num r) {
    if(r < 0) return;
    _real = r;
  }

jodinathan

void foo({String bar = 'hi'}) {
  print(bar);
}
void main() async {
  bool s = true;
  
  foo(bar: s ? 'hello' : null);
  
  s = false;