dl_range_find.h

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#pragma once
 
#include "base/dl_vector2.h"

namespace dl::Find
{
template<typename T, typename V>
size_t FirstIndex(const T& container, const V& v)
{
    for (size_t i = 0; i < container.size(); ++i)
    {
        if (container[i] == v)
        {
            return i;
        }
    }
    return -1;
}

//template<typename T, typename V>
//SizeT FirstIndex(const Vector2<T, size_t>& container, const V& v)
//{
//  for (size_t j = 0; j < container.GetHeight(); ++j)
//  {
//      for (size_t i = 0; i < container.GetWidth(); ++i)
//      {
//          if (container.Get(j, i) == v)
//          {
//              return { i, j };
//          }
//      }
//  }
//  return { -1_zu, -1_zu };
//}

template<typename C, typename F>
auto FirstYes(C& container, F func)
{
    for (auto& iter : container)
    {
        if (func(iter))
        {
            return &iter;
        }
    }
    using V = std::decay_t<decltype(container)>;
    using T = typename V::value_type;
    return (T*)nullptr;
}
 
}