Wh开发者_StackOverflow社区at is the use of typedef keyword in C ? When is it needed?typedef is for defining something as a type. For instance:
In sample code, I have seen this: typedef enum Ename { Bob, Mary, John} EmployeeName; and this: typedef enum {Bob, Mary, John} EmployeeName;
When I declare a enum variable like this: enum paint_colors { RED, GREEN, BLUE, ..开发者_运维问答.} colors;
I\'ve been using the following code to create various struct, but only give people outside of the C file a pointer to it.(Yes, I know that they could potentially mess around with it, so it\'s not enti
I have a method that effectively takes a string. However, there is a very limited subset of st开发者_高级运维rings I want to use. I was thinking of typedef\'ing std::string as some class, and call the
What are the rules? OTOH the simple case seems to imply the new type is the last thing on a line.Like here Uchar is the new type:
The following fails to compile (with gcc 4.2.1 on Linux, anyway): template< typename T > class Foo
I\'m using shared_ptr and STL extensively in a project, and this is leading to over-long, error-prone types like shared_ptr< vector< shared_ptr<const Foo> > > (I\'m an ObjC programme
Why can\'t I compile the program 1 when the the program 2 is working fine ? Why is it\'s behavior different?
I\'m 开发者_运维百科doing some policy-based designs here and I have the need to typedef lots of template types to shorten the names.