mutable

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Why does capturing a mutable struct variable inside a closure within a using statement change its local behavior?

Update: Well, now I\'ve gone and done it: I filed a bug report with Microsoft about this, as I seriously doubt that it is correct behavior. That said, I\'m still not 100% sure what to believe regardin[详细]

2023-02-03 20:56 分类：问答
Why is MutableString deprecated in Python?

Why was the MutableStrin开发者_JS百科g class deprecated in Python 2.6; and why was it removed in Python 3?The MutableString class was meant to be educational, and not to be used in real programs. If y[详细]

2023-02-03 17:39 分类：问答
Is modifying a value type from within a using statement undefined behavior?

This one\'s really an offshoot of this question, but I think it deserves its own answer. According to section 15.13 of the ECMA-334 (on the using statement, below referred to as resource-acquisition)[详细]

2023-02-03 13:05 分类：问答
Using volatile keyword with mutable object

In Java, I understand that volatile keyword provides visibility to variables. The question is, if a variable is a reference to a mutable object, does volatile also provide visibility to the members in[详细]

2023-02-03 07:55 分类：问答
Does Java have mutable types for Integer, Float, Double, Long?

I am in a situation where I want t开发者_JAVA技巧o use mutable versions of things like Integer. Do I have to use these classes (below) or does Java have something built in?[详细]

2023-02-01 03:43 分类：问答
Difference between properties and variables

class MyClas { public System.Windows.Point p; public void f() { p.X = 0; } } This code works perfectly. At the same time this one causes compilation error (\"Cannot modify the return value of p bec[详细]

2023-01-27 18:25 分类：问答
Python subclass tuple object with ability to reinstantiate self internally

I understand the concept of mutable v. immutable objects in Python, no problem. While any immutable object\'s intrinsic value cannot be modified directly, any instance of an immutable object can be re[详细]

2023-01-27 06:13 分类：问答
Logical const in D

D has two types of constness: immutable variables are ones that were declared immutable, and always will be immutable, while const variables are simply read only versions of an object.[详细]

2023-01-26 07:40 分类：问答
Should mutexes be mutable?

Not sure if this is a style question, or something that has a hard rule... If I want to keep the public method interface as const as possible, but make the object thread safe, should I use mutable mu[详细]

2023-01-24 05:25 分类：问答
How do you define a mutable pointer to a const object?

I have a class that contains a pointer to a constant VARIANT valu开发者_运维知识库e outside the class, but sometimes I want to change this pointer to refer to a VARIANT member object of the class itse[详细]

2023-01-23 21:07 分类：问答