Function ImLowerBound

src/imgui/imgui.cpp:2777–2795

std::lower_bound but without the bullshit

// std::lower_bound but without the bullshit
ImGuiStoragePair* ImLowerBound(ImGuiStoragePair* in_begin, ImGuiStoragePair* in_end, ImGuiID key)
{
    ImGuiStoragePair* in_p = in_begin;
    for (size_t count = (size_t)(in_end - in_p); count > 0; )
    {
        size_t count2 = count >> 1;
        ImGuiStoragePair* mid = in_p + count2;
        if (mid->key < key)
        {
            in_p = ++mid;
            count -= count2 + 1;
        }
        else
        {
            count = count2;
        }
    }
    return in_p;
}

IM_MSVC_RUNTIME_CHECKS_OFF
static int IMGUI_CDECL PairComparerByID(const void* lhs, const void* rhs)