After a bit of a debugging session, I ended up looking at some code in a large project
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m_foo = std::make_shared<SomeQObject>(); /* plenty of lines and function boundaries left out */ (void)connect(m_foo.get(), &SomeQObject::someSignal, [m_foo]() { /* */ }); |
The connection gets removed when the pointer inside m_foo gets de-allocated by the shared_ptr. But the connection target is a lambda…
The problem So. I was stuck with a container of tuples that I wanted to see in a Qt view (QTableView, QtQuick ListView or similar). So how to do that? Another problem: I haven’t been doing fun things with templates…
This week I have been gathered with 38 KDE people in Randa, Switzerland. Randa is a place in a valley in the middle of the Alps close to various peaks like Matterhorn. It has been a week of intense hacking,…
Sitting on Lake Zurich and reflecting over things was a great way to get started. http://manifesta.org/2015/11/pavillon-of-reflections-for-zurich-in-2016/ After spending a bit of time in a train, I climbed part of a mountain together with Adriaan – up to the snow where…
So. I typo’ed up some template code the other day. And once again I learned the importance of using several c++ compilers. Here is a very reduced version of my code:
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#include <utility> template <typename T> auto foo(const T& t) -> decltype(x.first) { return t.first; } int main() { foo(std::make_pair(1,2)); return 0; } |
And let’s start with the compiler I was…
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