Re: namespace naming guidelines
sure@europa.com wrote:
In C++ Coding Standards by Sutter and Alexandrescu, there are two
guidelines dedicated to namespace scoping:
57. Keep a type and its nonmember function interface in the same
namespace.
58. Keep types and functions in separate namespaces unless they're
specifically intended to work together.
If I follow this advice I'll be creating lots more namespaces.
Although the book implies I should have a lot of namespaces, it
doesn't offer suggestions for regular ways to name them.
Does the book really implies that?
I've also received this guidance:
Don't use the same name for a namespace and a type contained by
that namespace.
So giving the namespace the name of the most important class in
the namespace is not a great choice.
Definitely.
I'm looking for wisdom on what to name my soon-to-be blossoming
namespaces. I'm hoping for something as formulaic as naming
private member variables with a trailing underscore.
I'll recommend to group only related classes and types in a namespace.
Do not create namespaces just to have more namespaces :)
For example, if some parts of your code deal with specific data, group
that datatype definition along with any utility functions in a single
namespace. The actual name for that namespace may be based on that
datatype name. A (not so smart) example may be:
namespace foo
{
class foobar;
}
A bit more smart one (hopefully):
namespace gfx
{
class image;
class reader;
class writer;
// etc.
}
It is common for me to group some complete piece of code into a
namespace so it can be used later like some sort of library.
Alex Shulgin
--
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