Back to Basics: Move Semantics
summary
Shows concrete code and rules: a vector<string> example demonstrates that replacing copying with move constructors cuts heap allocations and is noticeably faster; shows when to use std::move, when push_back calls copy vs move, and how emplace_back plus forwarding avoids extra temporaries. States moved objects are valid but unspecified, explains generated move ctor/assign, move-only types, noexcept guidance, and how const members or a virtual destructor disable automatic moves. Covers perfect forwarding and universal/forwarding references with examples.
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chapters (10)
- 0:00Introduction
- 0:54Move Semantics
- 9:48Move Semantics Examples
- 19:53Move Semantics Explained
- 26:15Move Semantics Methods
- 31:02Move Semantics in Classes
- 33:11Example Move Semantics
- 39:26Disable Move Semantics
- 43:18Perfect Forwarding
- 54:20Universal Reference
