Splits a slice and iterates over the split portions. More...

#include <slice_algo.hpp>

Inheritance diagram for mtcore::slices::SplitIter< T, N >:

Public Member Functions
Optional< Slice< T > >	next ()

Public Attributes
N	needle

Slice< T >	haystack

bool	emittedLast = true

Detailed Description

template<typename T, typename N>
struct mtcore::slices::SplitIter< T, N >

Splits a slice and iterates over the split portions.

Template Parameters

T	Slice element type
N	Needle type

Definition at line 490 of file slice_algo.hpp.

Member Function Documentation

◆ next()

template<typename T, typename N>

Optional< Slice< T > > mtcore::slices::SplitIter< T, N >::next ( )

inline

Definition at line 495 of file slice_algo.hpp.

                              {
      if (haystack.empty()) {
        if (emittedLast) {
          return nullopt;
        }
        emittedLast = true;
        return haystack;
      }
 
      auto nxt = first_index(needle, haystack);
      if (!nxt.has_value()) {
        emittedLast = true;
        auto res    = haystack;
        haystack    = haystack.sub(haystack.size());
        return res;
      }
 
      emittedLast = false;
      auto res    = haystack.sub(0, nxt.value());
      haystack    = haystack.sub(nxt.value() + 1);
      return res;
    }