MSDN also has such statement: "const" global variables in C++ is implicitly
static, where it's implicitly extern in C. For "extern const", the module
that contains a initializer "extern const int bar = foo;" is the owner of
the object.
re: Albert J. Wong:
I also use "static const" for function scope variables. Thanks for the
experiment.
-Yong
----- Original Message -----
From: "Alexey Proskuryakov" <[email protected]>
To: "Darin Adler" <[email protected]>
Cc: "WebKit Development" <[email protected]>
Sent: Wednesday, September 02, 2009 12:55 PM
Subject: Re: [webkit-dev] static const
02.09.2009, в 9:32, Darin Adler написал(а):
As an aside, is there any practical difference between "static const"
and "const" in C++? The only difference I'm aware of is that the former
is deprecated in the standard.
I believe the former gives internal linkage and the latter external
linkage, so I always use the former for things defined in a source file
and not declared in a header file and the latter for things defined or
declared in a header file.
I don't have a normative reference at hand, but I'm fairly sure that both
give internal linkage in C++ (unlike in C).
http://stackoverflow.com/questions/998425/why-does-const-imply-internal-linkage-in-c-when-it-doesnt-in-c
http://bytes.com/topic/c/answers/62013-const-has-internal-linkage-c
- WBR, Alexey Proskuryakov
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