Re: Call order
On Jul 18, 3:11 pm, p...@informatimago.com (Pascal J. Bourguignon)
wrote:
James Kanze <james.ka...@gmail.com> writes:
On Jul 18, 11:52 am, p...@informatimago.com (Pascal J. Bourguignon)
wrote:
On the other hand, if you want to run the following methods
only when the method fails, you can write:
try{
base::method_3();
}catch(...){
// it failed.
base::method_1();
base::method_2();
throw; // or not
}
Which is a perfect example of how not to write C++.
If there is
any chance that the immediate caller will do something in case
of an error, you should report it by a return code (except, of
course, in cases where you can't, like constructors). In which
case, the above could be written:
method_3() || (method_1(), method_2()) ;
Or in the more likely case where he wants to stop with the first
success:
method_3() || method_1() || method_2() ;
Do however you want, I don't care, but in MY code, errors are handled
with try/catch
If you like bad code, you like bad code, but C++ has several
ways of handling errors for a reason.
and logical expressions are written with && and ||, not
the reverse.
Exactly. Handling errors locally is a job for logical
expressions.
--
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