Burak Emir burakemir

## example.test.rkt
#lang reader "test-lang-reader.rkt"
(+ 1 2)

## events.csv

          
            YEAR
             DESCRIPTION

            
              1968
               Elefants Druk and Chukha arrive in Zurich Zoo

            
              1976
               Snow leopards move to a new area

            
              1979
               Zoo Zurich has 21 millionth visitor

            
              1979
               on occasion of 50th anniversary entry fee reduced to 1 CHF

            
              1985
               first PC installed

## main.dart
class Foo {}
class Bar extends Foo {}

void main() {
  Map<String, Foo> m = {};
  Map<String, Bar> n = {};
  m = n;
  m["a"] = Foo();
  // Uncaught Error: TypeError: Instance of 'Foo': type 'Foo' is not a subtype of type 'Bar'
}

## main.dart
class Foo {
  covariant double? _zoo = 3.14;

  set zoo(covariant double? o) {_zoo = o;}
  double? get zoo => _zoo;
}

class Bar extends Foo {
  @override double _zoo = 2.3;
  @override set zoo(double o) {_zoo = o;}
	YEAR	DESCRIPTION
	1968	Elefants Druk and Chukha arrive in Zurich Zoo
	1976	Snow leopards move to a new area
	1979	Zoo Zurich has 21 millionth visitor
	1979	on occasion of 50th anniversary entry fee reduced to 1 CHF
	1985	first PC installed
	class Foo {}
	class Bar extends Foo {}

	void main() {
	Map<String, Foo> m = {};
	Map<String, Bar> n = {};
	m = n;
	m["a"] = Foo();
	// Uncaught Error: TypeError: Instance of 'Foo': type 'Foo' is not a subtype of type 'Bar'
	}
	class Foo {
	covariant double? _zoo = 3.14;

	set zoo(covariant double? o) {_zoo = o;}
	double? get zoo => _zoo;
	}

	class Bar extends Foo {
	@override double _zoo = 2.3;
	@override set zoo(double o) {_zoo = o;}