Hello!
While working on project I discovered invalid (in my opinion) error
handling. I wrote simple program (code below), which demonstrate, that
"catch" clause in some_function() catch errors threw from this function. On
the output program gives
a 'B' error and an 'A' error
but it should display
an 'A' error
Maybe it's typical error handling model for Vala however I haven't notice
that while reading tutorial. I use Vala compiler v 0.12.1.
**** SAMPLE PROGRAM: ***
public errordomain SomeError
{
A,
B
}
void some_function () throws SomeError
{
try
{
if (2 != 1)
{
throw new SomeError.A ("an \'A\' error");
}
}
catch (GLib.Error error)
{
throw new SomeError.B ("a \'B\' error and " + error.message);
}
}
int main (string[] arguments)
{
try
{
some_function ();
}
catch (SomeError error)
{
stdout.printf ("%s\n", error.message);
}
return 0;
}
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