move and rvalue
2019-07-10 本文已影响0人
solk1234
move
the move is a function to change a value to a type of rvalue.
rvalue reference
The value of variables with rvalue type are allowed to be modified using rvalue reference.
void p(int && a)
{
a=100;
}
int main()
{
p(100);
}
If you don't understand what happened, just print the address of a.
