Commit 09537ae
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book: add std::forward source and auto&& explain
This commit deals the following questions:
- why const lvalue ref can ref rvalue?
- why auto&& is the safe way for loop?
- why std::forward can do perfect forwarding?
Fix changkun#651 parent 7776a59 commit 09537ae
1 file changed
Lines changed: 197 additions & 77 deletions
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