w

1 files changed, 0 insertions, 38 deletions

diff --git a/compat/borrowed-ptr-cast.hpp b/compat/borrowed-ptr-cast.hpp
deleted file mode 100644
index 18f0a50e..00000000
--- a/compat/borrowed-ptr-cast.hpp
+++ /dev/null
@@ -1,38 +0,0 @@
-#pragma once
-#include "borrowed-ptr-fwd.hpp"
-#include "compat/assert.hpp"
-
-namespace floormat::detail_borrowed_ptr {
-
-//static_assert(std::is_same_v<T, U> || std::has_virtual_destructor_v<T> && std::has_virtual_destructor_v<T>); // todo! for simple_bptr
-
-template<typename From, typename To>
-concept StaticCastable = requires(From* from) {
-    static_cast<To*>(from);
-};
-
-} // namespace floormat::detail_borrowed_ptr
-
-namespace floormat {
-
-template<typename To, typename From>
-bptr<To> static_pointer_cast(const bptr<From>& p) noexcept
-{
-    // hack to generate better error message
-    if constexpr (detail_borrowed_ptr::StaticCastable<From, To>)
-    {
-        if (p.blk && p.blk->_ptr) [[likely]]
-            return bptr<To>{p, nullptr};
-    }
-    else
-    {
-        using detail_borrowed_ptr::StaticCastable;
-        // concepts can't be forward-declared so use static_assert
-        static_assert(StaticCastable<From, To>,
-            "cannot static_cast, classes must be related by inheritance");
-    }
-
-    return bptr<To>{nullptr};
-}
-
-} // namespace floormat