[Callback issue] Cannot take the address of an rvalue of type 'void'

@pan1cmode wrote:

Hey there,
I am migrating from Unity to Cocos and stuck with a problem.
Trying to pass callback on event listener like this:

auto mButton = Button::create();
mButton->addClickEventListener(CC_CALLBACK_0(ElementsMatrix::BuildMatrix(), this));

Getting "Cannot take the address of an rvalue of type 'void'" (XCode)
Nothing special with method BuildMatrix():

void ElementsMatrix::BuildMatrix()
{
    CCLOG("Build is ready!");
}

I've read about rvalue, but it doesn't make any sense for me regarding to this problem. Any help?
Thanks!

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