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c++ Programming Glossary: eligibleUsing std::move() when returning a value from a function to avoid to copy http://stackoverflow.com/questions/11817873/using-stdmove-when-returning-a-value-from-a-function-to-avoid-to-copy No. Whenever a local variable in a return statement is eligible for copy elision it binds to an rvalue re fe rence and.. t in your example with respect to which constructors are eligible. Note however that return std move t prevents the compiler from..
When to make a type non-movable in C++11? http://stackoverflow.com/questions/14302834/when-to-make-a-type-non-movable-in-c11 a std mutex has a constexpr constructor and must be eligible for constant initialization i.e. static initialization so that..
When should std::move be used on a function return value? http://stackoverflow.com/questions/14856344/when-should-stdmove-be-used-on-a-function-return-value the move being elided because return std move foo is not eligible for NRVO. As far as I know 12.8 32 lays out the only conditions.. you want it to be moved and it is an lvalue and it is not eligible for copy elision and it is not the name of a by value function..
When is explicit move needed for a return statement? http://stackoverflow.com/questions/17481018/when-is-explicit-move-needed-for-a-return-statement return statement can only be treated as an rvalue if it is eligible for copy move elision aka NRVO but that is too restrictive because..
Why should one not derive from c++ std string class? http://stackoverflow.com/questions/6006860/why-should-one-not-derive-from-c-std-string-class understand what specifically is required in a class to be eligible for being a base class not a polymorphic one Is the only reason.. can inherit from it. So what makes std string not even eligible as a base class Also if there is a base class purely defined.. understand what specifically is required in a class to be eligible for being a base clas not a polymorphic one In idiomatic C there..
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