Questions tagged [covariance]

15

votes

1

answers

Understanding scala's _ vs Any/Nothing

asked 2013-03-09T11:50:15.110

26

votes

10

answers

numpy covariance matrix

python numpy covariance

asked 2013-02-23T02:05:32.663

8

votes

3

answers

Generate a data set consisting of N=100 2-dimensional samples

python matrix dataset covariance gaussian

asked 2013-02-17T10:45:48.667

30

votes

2

answers

Why covariance does not work with generic method

c# c#-4.0 covariance contravariance

asked 2012-10-05T09:32:24.150

20

votes

2

answers

C# casting an inherited Generic interface

c# generics interface casting covariance

asked 2012-09-11T08:48:20.963

279

votes

8

answers

<out T> vs <T> in Generics

c# generics covariance

asked 2012-06-08T23:05:42.947

28

votes

3

answers

Why cannot IEnumerable<struct> be cast as IEnumerable<object>?

c# generics covariance

asked 2012-03-13T16:41:34.120

10

votes

3

answers

.NET 4.0 Covariance

c# .net generics covariance

asked 2012-02-21T16:45:40.033

15

votes

3

answers

C# covariance structure understanding?

c# .net-4.0 covariance

asked 2012-02-10T14:41:57.520

9

votes

2

answers

Autofac: Resolving variant types with both in and out type arguments

c# dependency-injection ioc-container autofac covariance

asked 2011-09-06T17:31:07.477

9

votes

4

answers

c#4.0: int a real subtype of object? covariance, ienumerable and value types

c# ienumerable covariance value-type

asked 2011-03-24T01:45:05.283

12

votes

1

answers

Type Members and Covariance

scala covariance

asked 2011-03-18T11:23:20.367

44

votes

3

answers

Simple examples of co and contravariance

c# .net covariance contravariance invariants

asked 2011-01-12T14:25:44.687

26

votes

6

answers

Why can't I assign a List<Derived> to a List<Base>?

c# .net generics covariance

asked 2011-01-10T23:52:38.167

16

votes

9

answers

How do I convert from List<?> to List<T> in Java using generics?

java generics list covariance

asked 2010-08-23T14:55:43.257

14

votes

2

answers

could someone explain the connection between type covariance/contravariance and category theory?

covariance contravariance type-theory category-theory

asked 2010-06-26T20:30:04.170

12

votes

2

answers

Is C# 4.0 Tuple covariant

c# covariance tuples

asked 2010-05-20T10:28:20.297

38

votes

2

answers

Is this a covariance bug in C# 4?

c# generics covariance

asked 2010-05-06T17:49:05.570

96

votes

2

answers

Understanding Covariant and Contravariant interfaces in C#

c# .net interface covariance contravariance

asked 2010-04-27T09:13:24.620

208

votes

11

answers

Covariance and contravariance real world example

c# c#-4.0 covariance

asked 2010-04-18T13:26:44.643

22

votes

13

answers

Any simple way to explain why I cannot do List<Animal> animals = new ArrayList<Dog>()?

java generics oop covariance

asked 2010-02-27T09:04:11.383

44

votes

5

answers

Contravariance explained

c# c#-4.0 covariance contravariance

asked 2009-12-26T04:48:17.540

126

votes

9

answers

What is a covariant return type?

java oop covariance

asked 2009-12-10T17:23:13.473

19

votes

4

answers

Is there a way to forward declare covariance?

c++ covariance forward-declaration

asked 2009-08-11T09:22:41.807

9

votes

6

answers

Why is List<Number> not a sub-type of List<Object>?

java generics casting covariance

asked 2009-08-06T17:29:37.757

44

votes

4

answers

What is the difference between covariance and contra-variance in programming languages?

java c# programming-languages covariance contravariance

asked 2009-07-22T06:49:10.057

9

votes

2

answers

Non Generic Versions of Generic classes and interfaces

c# generics covariance

asked 2009-06-17T08:56:15.250

13

votes

5

answers

Why does C#/CLR not support method override co/contra-variance?

c# .net clr overriding covariance

asked 2009-05-07T21:29:57.700

Questions tagged covariance