How to find Bug in Qt!!

SGaist

Hi,

What version of Qt are you using ?
What compiler is it ?
What's in the offending part of your code ?

Saeed_Nowroozi

Qt Creator 4.3.1
Qt 5.9.0 MinGW 32 bit
some classes I use stl container. for example

fcarney

https://en.cppreference.com/w/cpp/memory/allocator_traits

According to those docs it is a template for classes not "int". Am I reading that right?

mrjj

Hi
it seems to come from smart_algorithm.cpp line 47

jsulm

@Saeed_Nowroozi Please show your smart_algorithm.cpp from where the error is actually coming.

Saeed_Nowroozi

thanks, this is class smart_alg. classes are not finished.

and these are .cpp code.

jsulm

@Saeed_Nowroozi __smart_alg() has a return value but there is no return.
Also:

std::vector<int,int>

?!

J.Hilk

__counting also expects a return value.

mrjj

Hi
so you write
so std::vector<int,int> which makes it think you give it a custom allocator but
then it gets unhappy as an int is not expected type at all or related to std::allocator.

In any case, it does actually tell where the error comes from, so it's important to read it carefully to spot the place
that starts the chain of ugly errors.
alt text

Saeed_Nowroozi

Think's all
problem is solved.