Re: A simple reference variable question
"Ray Mitchell" <RayMitchell_NOSPAM_@MeanOldTeacher.com> wrote in
message news:CF156B0B-2063-4CE3-BF44-1056E921E794@microsoft.com
"Igor Tandetnik" wrote:
"Ray Mitchell" <RayMitchell_NOSPAM_@MeanOldTeacher.com> wrote in
message news:5AA7F20A-917A-4833-8619-8F62E71F903A@microsoft.com
In the following code I got a compile error on the declaration of r1
because, obviously, it is not initialized. However, I kind of
expected to get a link error on the declaration of r2, but I didn't.
Could someone please explain why there is no error?
You never use it, so the compiler never asks the linker to look for
it. --
With best wishes,
Igor Tandetnik
With sufficient thrust, pigs fly just fine. However, this is not
necessarily a good idea. It is hard to be sure where they are going
to land, and it could be dangerous sitting under them as they fly
overhead. -- RFC 1925
Okay, but if I remove the initializer from r1 I do get a compiler
error, although I never use it either. I guess I'm still missing the
point.
You have to use something to get a linker error. You may not have to use
something to get a compiler error.
--
John Carson
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