c++ Programming Glossary: for_each

http://stackoverflow.com/questions/1198260/iterate-over-tuple

Why use iterators instead of array indices?

http://stackoverflow.com/questions/131241/why-use-iterators-instead-of-array-indices

it is you're trying to achieve you may elect to use std for_each std transform and so on. By using a standard algorithm rather..

C++ Vector of Pointers to Objects

http://stackoverflow.com/questions/1361139/c-vector-of-pointers-to-objects

i 0 i 100 i c.push_back new derived free memory std for_each c.begin c.end delete_pointed_to base int main foo This is difficult..

How to make generic computations over heterogeneous argument packs of a variadic template function?

http://stackoverflow.com/questions/14261183/how-to-make-generic-computations-over-heterogeneous-argument-packs-of-a-variadic

over an argument pack such as iterate split loop in a std for_each like fashion and so on. After watching this lecture by Andrei.. one template typename... Ts void foo Ts ... args static for_each auto x args foo x RELATED WORK I did some search on the Web.. implementation . USE CASES Here is an example of how the for_each_in_arg_pack function can be used to iterate through all the..

Why override operator()?

http://stackoverflow.com/questions/317450/why-override-operator

functor into the algorithhm. For example the algorithm std for_each allows you to apply an operation on each element of a range... that template typename InputIterator typename Functor void for_each InputIterator first InputIterator last Functor f while first.. int vec Fill vec Using a functor Accumulator acc std for_each vec.begin vec.end acc acc.counter contains the sum of all elements..

Elegant ways to count the frequency of words in a file

http://stackoverflow.com/questions/4888879/elegant-ways-to-count-the-frequency-of-words-in-a-file

string end std map std string int wordCount std for_each start end Counter for std map std string int iterator it wordCount.begin..

Does vector::erase() on a vector of object pointers destroy the object itself?

http://stackoverflow.com/questions/6353149/does-vectorerase-on-a-vector-of-object-pointers-destroy-the-object-itself

more generic elegant solution This solution makes use of for_each templates as @Billy pointed out in comments Functor for deleting.. public Overloaded operator. This will be called by for_each function. bool operator T x const Delete pointer. delete x.. pointer. delete x return true And this can be called as for_each myclassVector.begin myclassVector.end DeleteVector myclass where..

What is a lambda expression in C++11?

http://stackoverflow.com/questions/7627098/what-is-a-lambda-expression-in-c11

The problem C includes useful generic functions like std for_each and std transform which can be very handy. Unfortunately they.. int do something void func std vector int v f f std for_each v.begin v.end f If you only use f once and in that specific.. vector int v struct void operator int do something f std for_each v.begin v.end f however this is not allowed f cannot be passed..