Why QString function must return string

[Mihan]

I found a problem that I write a QString function without return value, then it was broken. But when I add return at the end, it work well, WHY?!

[J.Hilk]

@mihan
because it's c++ not JavaScript

[SGaist]

Hi,

Please take a look at this C++ tutorial about functions.

[Mihan]

@sgaist @J-Hilk Thank you so much, I will pay attention to it. XD