[Boost-users] boost-users [shared_array] comparing the value.

From: chun ping wang (cablepuff_at_[hidden])
Date: 2007-10-25 14:22:12

Hi I notice boost shared_array compares the pointer address not the pointer
themselves. What would be the best way to compare the actual value of boost
shared_array.

1.)
shared_array<T> a;
shared_array<T> b;

1.) return (a.len == b.len && (memcmp(a, b, len) == 0));

or

2.)
if (a.len != b.len)
     return false;
for (ptrdiff_t i  = 0; i != a.len; ++i)
   if(a[i] != b[i])
      return false;

One that works ALL the times.