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c++ Programming Glossary: copy_nPass an array to a wrapped function as pointer+size or range http://stackoverflow.com/questions/11584599/pass-an-array-to-a-wrapped-function-as-pointersize-or-range inline void foo const signed char arr size_t sz std copy_n arr sz std ostream_iterator int std cout n inline void bar const..
How to copy a certain number of chars from a file to a vector the STL-way? http://stackoverflow.com/questions/3829885/how-to-copy-a-certain-number-of-chars-from-a-file-to-a-vector-the-stl-way this question As was noted by Steve this would need copy_n which due to an oversight isn't in the current standard library.. to be correct template class InIt class OutIt OutIt copy_n InIt src OutIt dest size_t n if n return dest dest src while.. dest dest src while n dest src return dest Note that std copy_n presumes the input iterator to be able to deliver n objects...
std::istream_iterator<> with copy_n() and friends http://stackoverflow.com/questions/5074122/stdistream-iterator-with-copy-n-and-friends istream_iterator with copy_n and friends The snippet below reads three integers from std.. numbers and discards the third std vector int numbers 2 copy_n std istream_iterator int std cin 2 numbers.begin I'd expect.. improve this question Unfortunately the implementer of copy_n has failed to account for the read ahead in the copy loop. The..
split variadic template arguments http://stackoverflow.com/questions/5484930/split-variadic-template-arguments an output iterator template typename OutputIterator void copy_n size_t n OutputIterator assert n 0 template typename OutputIterator.. typename OutputIterator typename T typename... Args void copy_n size_t n OutputIterator out const T value Args... args if n.. out const T value Args... args if n 0 out value copy_n n 1 out args... Copy n values from the parameter pack to an..
Limiting the range for std::copy with std::istream_iterator http://stackoverflow.com/questions/5953629/limiting-the-range-for-stdcopy-with-stdistream-iterator std generate_n and a generator functor rather than std copy_n and iterators #include algorithm #include string #include istream..
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