I\'m trying to digest this statement in the C# spec, which states (§4.2): A reference type is a class type, an interface type, an array type, or a delegate type.开发者_运维知识库
I assumed sequence types in Python were value types. It turns out they\'re reference types (Meaning that the value of a variable won\'t be copied when assigned to a new variable, but ref开发者_StackOv
This compiles without error or warning, how is this possible? i开发者_StackOverflow社区f (DateTime.Now == null) { }
So I know that mutable structs/value开发者_StackOverflow types are considered \'evil\' in .Net. So why is it possible to make them? What are some good uses for mutable structs that justify adding the
In .NET, using \"foreach\" to iterate an instance of IEnumerable will create a copy? So should I prefer to use \"for\" instead of \"foreach\"?
Array only extends the non-generic version of IEnumerable, so will there be boxing and unboxing when a foreach loop goes through a value type array?
Is there any sense in defining a struct with a reference type member (and not defining it as a class)? For example, to define this struct:
I have some concurrent code which has an intermittent failure and I\'ve reduced the problem down to two cases which seem identical, but where one fails and the other doesn\'t.
When operator new() is used with reference type, space for the instance is allocated on the heap and reference variable itself is placed on the stack. Besides that, everything within the instance of r
This question already has answers here: Closed 11 years ago. Possible Duplicate: What are the differences between va开发者_StackOverflowlue types and reference types in C#?
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