if itr $2=1$

$\}$

vec.erase $($itr$)$;

return;

$\}$

What is true about this function when it is called on a Vector that contains only even integers?

The function will get caught in an endless loop.

The function will remove all integers and return.

The function will not change the Vector and return.

The function will remove all odd integers, leave all even integers, and return.

Given is the following function in $C++$ :

void remove$\_$odds $($Vector$\%2==1$