Warning on C++ catch by value on non primitive types

[Avi Kivity]

Kai Henningsen wrote:

>So what you say is that any decent modern C++ coding guide/list wants to  
>forbid catching the C++ standard exceptions, and anything derived from  
>them?
>
>  
>
no, only catch by value is problematic, as it can lead to slicing.

catch by reference is perfectly fine.