Revision dfa5401af6d9cd5ba21b68d532d84bdd23517ea4 authored by Brad King on 14 June 2022, 18:20:32 UTC, committed by Brad King on 14 June 2022, 18:21:01 UTC
1 parent 3b4bd01
cxx_contextual_conversions.cpp
#define assert(E) \
if (!(E)) \
return 1;
template <class T>
class zero_init
{
public:
zero_init()
: val(static_cast<T>(0))
{
}
zero_init(T val)
: val(val)
{
}
operator T&() { return val; }
operator T() const { return val; }
private:
T val;
};
int someFunc()
{
zero_init<int*> p;
assert(p == 0);
p = new int(7);
assert(*p == 7);
delete p;
zero_init<int> i;
assert(i == 0);
i = 7;
assert(i == 7);
switch (i) {
}
int* vp = new int[i];
delete[] vp;
return 0;
}
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