const int i = 27;
Func<Foo,bool> predicate = foo => foo.Bar == i;

int i = 27;
Func<Foo,bool> predicate = foo => foo.Bar == i;

void some_class1::doSomething(const some_class2& cs2)
{
   // code
   cs2 = cs2; // !!! misspelling cs2 instead cs2_
   //
}