Boost.Hana  1.4.0
Your standard library for metaprogramming
scan_left.hpp File Reference

Forward declares boost::hana::scan_left. More...


 Namespace containing everything in the library.


constexpr auto boost::hana::scan_left
 Fold a Sequence to the left and return a list containing the successive reduction states.Like fold_left, scan_left reduces a sequence to a single value using a binary operation. However, unlike fold_left, it builds up a sequence of the intermediary results computed along the way and returns that instead of only the final reduction state. Like fold_left, scan_left can be used with or without an initial reduction state. More...

Detailed Description

Forward declares boost::hana::scan_left.