29 lines
610 B
Plaintext
29 lines
610 B
Plaintext
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Rvalue references were introduced as part of C++11. They are thus a new feature of the language, and are not yet widely understood. Using them is complicated, and code using rvalue references may be difficult to understand.
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== Noncompliant Code Example
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----
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std::vector<int> return_vector(void)
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{
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std::vector<int> tmp {1,2,3,4,5};
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return tmp;
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}
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std::vector<int> &&rval_ref = return_vector(); // Noncompliant
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----
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== Compliant Solution
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----
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std::vector<int> return_vector(void)
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{
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std::vector<int> tmp {1,2,3,4,5};
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return tmp;
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}
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const std::vector<int>& rval_ref = return_vector();
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----
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