From: use_my_alias_here@hotmail.com   
      
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   On 2012-07-02 20:07, fmatthew5876 wrote:   
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   >   
   > When developing a C++ library, the most common idiom is to have a   
   > separate header file for each class. The user can then only include   
   > the headers for the classes they want to use and thus reduce compile   
   > times. The disadvantage is that the user has to do a lot of includes   
   > if they are commonly using many different classes together in   
   > different source files.   
   >   
   > However, in some C libraries, the idiom is to #include a single   
   > header file to get the entire library or there may be a couple of   
   > header files for each subsystem. If the user is expected to use a   
   > set of classes together most of the time this may make more   
   > sense. Consider a math library with vec2, vec3, vec4, mat2, mat3,   
   > mat4, etc.. One header per type can quickly get unwieldy.   
   >   
   > So what approach do you all typically prefer? Per class? Per   
   > subsystem?  Some combination?   
      
   I'd say per class. Everything else is just non-intuitive to search in.   
   If you have vec2, vec3, vec4, then that may be an exception until you   
   have rewritten it with templates, but don't mix vec2 and mat2.   
      
   When it comes to free functions you can have a group of functions in   
   the same header as long as they have a domain connection. Don't be   
   afraid to split that header into sub-domains, it helps you remove   
   dependencies.   
      
   Regards,   
   Daniel   
      
      
      
      
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