Re: writing robust software?

From:
=?ISO-8859-1?Q?Daniel_Kr=FCgler?= <daniel.kruegler@googlemail.com>
Newsgroups:
comp.lang.c++.moderated
Date:
Tue, 14 Sep 2010 08:49:14 CST
Message-ID:
<0b373a50-7054-4b52-968e-4303acd94922@a11g2000vbn.googlegroups.com>
On 14 Sep., 00:56, Frank Buss <f...@frank-buss.de> wrote:

There are some general rules how to write robust software, e.g. on this
page:

http://jwinblad.com/resources/robustsw.php


[..]

Especially with C++0x there should be some nice solutions
for bugs I do often:

- array out of bounds errors


Use std::array instead of C arrays and ask your
favorite vendor whether the implementation has
debugging iterators.

- memory leaks, dangling pointers etc.


What about the combination of shared_ptr and
weak_ptr?

Some array out of bounds errors could be avoided with functional
programming styles. E.g. the Qt metacompiler has a "foreach" keyword. Wit=

h

C++ templates and for_each, or iterators, you can do something similar, b=

ut

the syntax is really cumbersome, so usually I do a normal for-loop. Maybe
C++0x helps? But how could I detect array out of bounds errors?


C++Ox provides the new range-based for statement
as in:

std::vector<T> v = ..;

for (const auto& e : v) {
   //
}

Several implementations provide debugging iterators
that validate during runtime out-of-bound situations.

HTH & Greetings from Bremen,

Daniel Kr=FCgler

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