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c++ Programming Glossary: predicate

Passing shared pointers as arguments

http://stackoverflow.com/questions/10826541/passing-shared-pointers-as-arguments

include std static_pointer_cast custom comparators or predicates. For example if you need to find all unique shared_ptr from.. find all unique shared_ptr from a vector you need such a predicate. Ah when the function actually needs to manipulate the smart..

Sorting a vector of custom objects

http://stackoverflow.com/questions/1380463/sorting-a-vector-of-custom-objects

objects. Probably standard STL algorithm sort along with a predicate a function or a function object which would operate on one of.. V. Lyadvinsky pointed out instead of supplying a sort predicate you can override the operator in MyStruct struct MyStruct int..

How can I tell reliably if a boost thread has exited its run method?

http://stackoverflow.com/questions/1667420/how-can-i-tell-reliably-if-a-boost-thread-has-exited-its-run-method

trying to indicate that it was still processing through a predicate bool isRunning return thread_ joinable Wouldn't a thread that..

How can I negate a functor in C++ (STL)?

http://stackoverflow.com/questions/265228/how-can-i-negate-a-functor-in-c-stl

that checks if all members of a vector satisfy that predicate bool AllSatisfy std vector SomeType v ... One solution is to.. Does anyone know a solution that involves negating the predicate algorithm stl c share improve this question The best solution.. is to use the STL functional library . By deriving your predicate from unary_function SomeType bool you'll then be able to use..

How can I assert() without using abort()?

http://stackoverflow.com/questions/37473/how-can-i-assert-without-using-abort

throw X The above function will throw an exception if a predicate doesn't hold. You will then have the chance to catch the exception...

What is wrong with `std::set`?

http://stackoverflow.com/questions/5397616/what-is-wrong-with-stdset

It typename Pred It remove_if It first It last Pred predicate first std find_if first last predicate ^^^^^^^^^ if first.. first It last Pred predicate first std find_if first last predicate ^^^^^^^^^ if first last return first else It result first.. first else It result first result for first last first if predicate first ^^^^^^^^^ result std move first result Note that..

What is predicate in C++? [closed]

http://stackoverflow.com/questions/5921609/what-is-predicate-in-c

is predicate in C closed Can you give some example or a link to a topic... give some example or a link to a topic. c class structure predicate share improve this question Predicate is a C function returning.. or instance of object having bool operator member. Unary predicate take one agrument binary two etc. Examples of questions predicate..

remove_if equivalent for std::map

http://stackoverflow.com/questions/800955/remove-if-equivalent-for-stdmap

get invalid after erase I used following example bool predicate const std pair int std string x return x.first 2 int main void.. does not work an error std remove_if aMap.begin aMap.end predicate std map int std string iterator iter aMap.begin std map int..

Why can template instances not be deduced in `std::reference_wrapper`s?

http://stackoverflow.com/questions/8513050/why-can-template-instances-not-be-deduced-in-stdreference-wrappers

s1 t2 s2 return t1 t2 ERROR My workaround is to define a predicate as in this answer but my question is Why and when can operators..

Trouble with dependent types in templates

http://stackoverflow.com/questions/2931345/trouble-with-dependent-types-in-templates

string getTabs int tabLevel template class result_t class Predicate set result_t findAll_if typename set result_t iterator begin.. set result_t iterator begin set result_t iterator end Predicate pred warning C4346 set result_t result return findAll_if_rec.. pred result namespace detail template class result_t class Predicate set result_t findAll_if_rec set result_t iterator begin set..

STL: writing “where” operator for a vector

http://stackoverflow.com/questions/2999537/stl-writing-where-operator-for-a-vector

objects matching template typename ForwardIter typename Predicate std vector ForwardIter where ForwardIter beg ForwardIter end.. vector ForwardIter where ForwardIter beg ForwardIter end Predicate pred ForwardIter fit std find_if beg end pred if fit end return..

How to convert a sorted std::list of std::pair to a std::map

http://stackoverflow.com/questions/3412623/how-to-convert-a-sorted-stdlist-of-stdpair-to-a-stdmap

element I believe a std map string double MyOwnBinaryPredicate with lower_bound and upper_bound would be more adequate. The.. a sorted list which is sorted according to the predicate Predicate you can just do the following std list std pair std string double.. pair std string double sorted_list std map string double Predicate map sorted_list.begin sorted_list.end The map constructor has..

What is predicate in C++? [closed]

http://stackoverflow.com/questions/5921609/what-is-predicate-in-c

class structure predicate share improve this question Predicate is a C function returning boolean or instance of object having..

Why does this std::sort predicate fail when the class is inside main()?

http://stackoverflow.com/questions/6880077/why-does-this-stdsort-predicate-fail-when-the-class-is-inside-main

is a much simplified repro which illustrates how class Predicate delcared outside main works but when the exact code appears.. but when the exact code appears inline as class InlinePredicate the compiler can't match std sort . The strange thing is that.. vector #include algorithm using namespace std class Predicate public bool operator const pair string int a const pair string..