forward-declaration

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Understanding forward declaration warning

I am writing my first lines in objective-c for an iPhone app. This is the code: /* ViewController.h */ @protocol ImageFlowScrollViewDelegate;[详细]

2023-01-13 16:24 分类：问答
forward declaration in c++

I want to forward 开发者_如何学JAVAdeclare: namespace boost { namespace property_tree { template<typename Key, typename Data, typename KeyCompare = std::less<Key> >[详细]

2023-01-12 05:27 分类：问答
C++ boost forward declaration question

I spend some time examining boost:: libraries architecture and was interested with the following fact:[详细]

2023-01-10 14:06 分类：问答
Incomplete type as function parameter?

I have that template class that uses a policy for it\'s output and another template argument to determine the type for it\'s data members. Furthermore the constructor takes pointers to base classes wh[详细]

2023-01-06 10:33 分类：问答
When do I have to declare a function used in a template?

I\'ve got (probably) a simple question. When do I have to declare a function used in a template? The following code prints out (using gcc >=4.1):[详细]

2023-01-06 04:52 分类：问答
Forward declaration with friend function: invalid use of incomplete type

#include <iostream> class B; class A{ int a; public: friend void B::frndA(); }; 开发者_JAVA技巧class B{[详细]

2023-01-05 15:59 分类：问答
Resolving a Forward Declaration Issue Involving a State Machine in C++

I\'ve recently returned to C++ development after a hiatus, and have a question regarding implementation of the State Design Pattern. I\'m using the vanilla pattern, exactly as[详细]

2023-01-03 18:00 分类：问答
C++: Unknown pointer size when forward declaring (error C2036)

In a header file, I have forward declared two members of a namespace: namespace Foo { struct Odp typedef std::vector<Odp> ODPVEC;[详细]

2023-01-03 06:15 分类：问答
Using forward declarations for built in datatypes

I understand that wherever possible we shall use forward declarations instead of includes to speed up the compilation.[详细]

2023-01-02 18:43 分类：问答
C++ forward declaration problem

I have a header file that has some forward declarations but when I include the header file in the implementation file it gets included after the includes for the previous forward declarations and this[详细]

2023-01-02 15:46 分类：问答