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c++ Programming Glossary: lookupHow to detect whether there is a specific member variable in class? http://stackoverflow.com/questions/1005476/how-to-detect-whether-there-is-a-specific-member-variable-in-class which relies on SFINAE for expressions too. If the name lookup results in ambiguity the compiler will reject the template template..
GCC problem : using a member of a base class that depends on a template argument http://stackoverflow.com/questions/11405/gcc-problem-using-a-member-of-a-base-class-that-depends-on-a-template-argument it just a quirk c templates base class class members name lookup share improve this question This changed in gcc 3.4 . The..
http://stackoverflow.com/questions/1647631/c-state-machine-design The structure basically consists of a state and event for lookup and a function that returns the new state something like typedef..
http://stackoverflow.com/questions/2958648/what-are-the-pitfalls-of-adl that explained several pitfalls of argument dependent lookup but I cannot find it anymore. It was about gaining access to.. ADL c namespaces overload resolution argument dependent lookup share improve this question There is a huge problem with.. question There is a huge problem with argument dependent lookup. Consider for example the following utility #include iostream..
Function with same name but different signature in derived class http://stackoverflow.com/questions/411103/function-with-same-name-but-different-signature-in-derived-class the problem with this Thank you. c function inheritance lookup c faq share improve this question Functions in derived classes..
http://stackoverflow.com/questions/5368862/why-do-multiple-inherited-functions-with-same-name-but-different-signatures-not inheritance share improve this question Member lookup rules are defined in Section 10.2 2 The following steps define.. 10.2 2 The following steps define the result of name lookup in a class scope C . First every declaration for the name in.. is ill formed . Otherwise that set is the result of the lookup. class A public int f int class B public int f class C public..
Where and why do I have to put the “template” and “typename” keywords? http://stackoverflow.com/questions/610245/where-and-why-do-i-have-to-put-the-template-and-typename-keywords it. The process that determines this is called name lookup. This however presents a problem in templates How will you find.. is assumed not to name a type unless the applicable name lookup finds a type name or the name is qualified by the keyword typename... because the compiler can with the applicable name lookup in the template definition figure out how to parse a construct..
What exactly is “broken” with Microsoft Visual C++'s two-phase template instantiation? http://stackoverflow.com/questions/6273176/what-exactly-is-broken-with-microsoft-visual-cs-two-phase-template-instanti the time that MSVC doesn't implement two phase template lookup instantiation correctly. From what I understand so far MSVC..
how to provide a swap function for my class? http://stackoverflow.com/questions/6380862/how-to-provide-a-swap-function-for-my-class library code and want to enable ADL argument dependent lookup on swap . Also this has nothing to do with SFINAE. some algorithm..
Accessing class members on a NULL pointer http://stackoverflow.com/questions/669742/accessing-class-members-on-a-null-pointer virtual method call crashes because it requires a vtable lookup and can work only with valid objects. I have the following questions..
Boolean expression (grammar) parser in c++ http://stackoverflow.com/questions/8706356/boolean-expression-grammar-parser-in-c decided to stop at just printing so I don't have to do the lookup table for named variables Traversing a recursive variant may..
Check if a class has a member function of a given signature http://stackoverflow.com/questions/87372/check-if-a-class-has-a-member-function-of-a-given-signature this puzzle EDIT @Chris Jester Young I know well Koenig lookup. In fact I was surprised of what they did in documentation http..
Argument-dependent lookup in C++ http://stackoverflow.com/questions/12274490/argument-dependent-lookup-in-c of Argument dependent lookup Koenig lookup ADL Koenig Lookup states You don ™t have to qualify the namespace scope for functions..
Get a font filename based on the font handle (HFONT) http://stackoverflow.com/questions/16769758/get-a-font-filename-based-on-the-font-handle-hfont this data with the contents of all installed known fonts. Lookup table We will first create a lookup table FontList of all installed..
http://stackoverflow.com/questions/19016099/lookup-table-with-constexpr table with constexpr I'm looking to create a lookup table of..
multiset, map and hash map complexity http://stackoverflow.com/questions/222658/multiset-map-and-hash-map-complexity have the following asymptotic run times Insertion O log n Lookup O log n Deletion O log n hash_map hash_set hash_multimap and.. following runtimes Insertion O 1 expected O n worst case Lookup O 1 expected O n worst case Deletion O 1 expected O n worst..
Why does C++ parameter scope affect function lookup within a namespace? http://stackoverflow.com/questions/5392699/why-does-c-parameter-scope-affect-function-lookup-within-a-namespace improve this question That is ADL Argument Dependent Lookup or Koenig Lookup for the designer of the feature . The purpose.. question That is ADL Argument Dependent Lookup or Koenig Lookup for the designer of the feature . The purpose of the feature..
Two phase lookup - explanation needed http://stackoverflow.com/questions/7767626/two-phase-lookup-explanation-needed
Access friend function defined in class http://stackoverflow.com/questions/7785886/access-friend-function-defined-in-class same problem occurs for fun except that Argument Dependent Lookup can take over and find the function because there is an argument..
Why GCC allows calling this function without using its namespace first? [duplicate] http://stackoverflow.com/questions/7965262/why-gcc-allows-calling-this-function-without-using-its-namespace-first improve this question This is called Argument Dependent Lookup or Koenig Lookup Basically if a symbol couldn't be resolved.. This is called Argument Dependent Lookup or Koenig Lookup Basically if a symbol couldn't be resolved the compiler will..
Detailed explanation on how Koenig lookup works with namespaces and why its a good thing? http://stackoverflow.com/questions/8111677/detailed-explanation-on-how-koenig-lookup-works-with-namespaces-and-why-its-a-go on my nerves c share improve this question Koenig Lookup is also commonly known as Argument Dependent Lookup in C and.. Koenig Lookup is also commonly known as Argument Dependent Lookup in C and most of the Standard C compilers support it. Koenig.. C and most of the Standard C compilers support it. Koenig Lookup 1 states You don ™t have to qualify the namespace for functions..
C++ ~ 1M look-ups in unordered_map with string key works much slower than .NET code http://stackoverflow.com/questions/8372579/c-1m-look-ups-in-unordered-map-with-string-key-works-much-slower-than-net-c Time timer.GetElapsedMilleseconds ms std endl std cout Lookup count lookupCount std endl Prints Time 636 ms Lookup count 854750.. cout Lookup count lookupCount std endl Prints Time 636 ms Lookup count 854750 F# code open System open System.Diagnostics open.. printfn Time d ms timer.ElapsedMilliseconds printfn Lookup count d lookupCount Prints Time 245 ms Lookup count 854750 ..
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