c++ Programming Glossary: true_type
How can I check if a type is an instantiation of a given class template? [duplicate] http://stackoverflow.com/questions/11251376/how-can-i-check-if-a-type-is-an-instantiation-of-a-given-class-template struct is_instantiation_of Template Template Args... std true_type It could be adapted to C 03 by using the preprocessor to generate..
Questions about Hinnant's stack allocator http://stackoverflow.com/questions/11648202/questions-about-hinnants-stack-allocator put the following nested type in the allocator typedef std true_type propagate_on_container_swap There's a few other knobs like that..
Correct signature of / detect presence of Container::reserve() http://stackoverflow.com/questions/14882588/correct-signature-of-detect-presence-of-containerreserve C reserve void C typename C size_type value type std true_type This works for C being std vector but not for the unordered.. std declval typename C size_type void value type std true_type This has the advantage of paralleling the container requirements..
Doing a static_assert that a template type is another template http://stackoverflow.com/questions/17390605/doing-a-static-assert-that-a-template-type-is-another-template typename class TT struct is_instantiation_of TT T TT std true_type Use it as follows in your program template typename T struct.. typename... Ts struct is_instantiation_of TT TT Ts... std true_type template typename FooType struct bar static_assert is_instantiation_of..
Is there a standard sign function (signum, sgn) in C/C++? http://stackoverflow.com/questions/1903954/is-there-a-standard-sign-function-signum-sgn-in-c-c x template typename T inline constexpr int signum T x std true_type is_signed return T 0 x x T 0 template typename T inline constexpr..
Can we increase the re-usability of this key-oriented access-protection pattern? http://stackoverflow.com/questions/3324898/can-we-increase-the-re-usability-of-this-key-oriented-access-protection-pattern T typename... List struct is_contained T T List... std true_type template typename T typename Head typename... List struct is_contained..
Pretty-print C++ STL containers http://stackoverflow.com/questions/4850473/pretty-print-c-stl-containers Basic is_container template specialize to derive from std true_type for all desired container types template typename T struct is_container.. pretty_ostream_iterator T TChar TCharTraits public std tr1 true_type #endif _MSC_VER 1400 namespace std Pre declarations of container.. Basic is_container template specialize to derive from std true_type for all desired container types template typename T struct is_container..
Call function with parameters extracted from string http://stackoverflow.com/questions/8476975/call-function-with-parameters-extracted-from-string t void return void call std istream args std string std true_type const invoker void _f get Args args ... non void return void.. no return wanted redirect return call args nullptr std true_type std stringstream conv if conv invoker R _f get Args args .....
Does there exist a static_warning? http://stackoverflow.com/questions/8936063/does-there-exist-a-static-warning x y #define PP_CAT1 x y x##y namespace detail struct true_type struct false_type template int test struct converter public.. false_type template int test struct converter public true_type template struct converter 0 public false_type #define STATIC_WARNING.. DEPRECATE void _ detail false_type const msg void _ detail true_type const PP_CAT static_warning __LINE__ _ detail converter cond..
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