peaclock

A colourful binary clock for the terminal.


peaclock

/

src

/

ob

/

algorithm.hh

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
#ifndef OB_ALGORITHM_HH
#define OB_ALGORITHM_HH

#include <cstddef>

namespace OB::Algorithm
{

template<class Op>
void for_each(std::size_t const cn, Op const& op)
{
  if (cn == 0) return;
  for (std::size_t i = 0; i < cn; ++i)
  {
    op(i);
  }
}

template<class Cn, class Op>
void for_each(Cn const& cn, Op const& op)
{
  if (cn.empty()) return;
  for (std::size_t i = 0; i < cn.size(); ++i)
  {
    op(cn[i]);
  }
}

template<class Cn, class Op1, class Op2>
void for_each(Cn const& cn, Op1 const& op_n, Op2 const& op_l)
{
  if (cn.empty()) return;
  for (std::size_t i = 0; i < cn.size() - 1; ++i)
  {
    op_n(cn[i]);
  }
  op_l(cn.back());
}

template<class Op1, class Op2>
void for_each(std::size_t const& n, Op1 const& op_n, Op2 const& op_l)
{
  if (n == 0) return;
  for (std::size_t i = 0; i < n - 1; ++i)
  {
    op_n(i);
  }
  op_l(n - 1);
}

} // namespace OB::Algorithm

#endif // OB_ALGORITHM_HH
Back to Top