2. Kinds of operators

• Numerical: +, -, *, ++, %, etc.

• Comparison: >, >=, ==, !=, etc.

• Structural: [], *, &, etc.

• One operator is more important than the others:

  • The assignment operator is provided (at no cost) if you don't provide one yourself...

    ...it might not be what you want.

• Default assignment does assignment of all member objects, and bitwise copy of all native types.

• Objects containing addresses (pointers) will be assigned shallowly.

• Read more about object copying in Wikipedia.