内存管理

In this segment:

• Review of Program Memory (5 minutes)
• Approaches to Memory Management (10 minutes)
• Ownership (5 minutes)
• Move Semantics (10 minutes)
• Clone (2 minutes)
• Copy Types (5 minutes)
• Drop (10 minutes)
• Exercise: Builder Type (20 minutes)

This segment should take about 1 hour and 10 minutes