把书读薄----EffectiveCPP3(1)
把书读薄----
EffectiveCPP3(1)
Chapter 1. Accustoming Yourself to C++
Item 1: View C++ as a federation of languages
Item 2: Prefer constS, enumS, and inlineS to #defineS
Item 3: Use const whenever possible
Item 4: Make sure that objects are initialized before they're used