make_vector_with_moved_list.hpp

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#pragma once
 
#include "system/assert/fang_assert.hpp"
#include <iostream>
#include <memory>
#include <vector>
 
namespace fang::stl
{
    template<typename T,typename ... C >
    std::vector<T> makeVectorWithMovedList(C ... movedElement)
    {
        std::vector<T> vector{};
        // Ahh lambda function
        // Arcane fold expression magick
 
        // So a fold expression can cary out an operation on a pack
        // Like in math when you say 1 + 2+ ... + n
        // In this case, the lambda expression is called a lot
        // every time lambda ... lambda ... lambda ...
        // I tried refactoring the labmda out but it triggered some errors
        // so I kept it the way the post said to do.
        // the version with for-each did not work either.
        // I try to minimize odd shenanigans like this, but this greatly
        // benefits the code as we have a decent amount of variants which
        // need a vector of unique_ptr items.
        ([&]{vector.push_back(std::move(movedElement));}(), ...);
        FANG_ASSERT(vector.size() == sizeof...(movedElement), "Vector size must match parameter pack size");
        return vector;
    }
}