From ebe4cb0bdeabd06a31072547af47cacaab7f78c0 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Wed, 2 Jul 2025 05:49:47 +0100
Subject: replace nihil::generator

the new implementation is much simpler and PD-licensed.  the only
downside is it doesn't support elements_of.

while here, move it to nihil.core.
---
 nihil.generator/coroutine_traits.ccm | 66 ------------------------------------
 1 file changed, 66 deletions(-)
 delete mode 100644 nihil.generator/coroutine_traits.ccm

(limited to 'nihil.generator/coroutine_traits.ccm')

diff --git a/nihil.generator/coroutine_traits.ccm b/nihil.generator/coroutine_traits.ccm
deleted file mode 100644
index fde4393..0000000
--- a/nihil.generator/coroutine_traits.ccm
+++ /dev/null
@@ -1,66 +0,0 @@
-///////////////////////////////////////////////////////////////////////////////
-// Reference implementation of std::generator proposal P2168.
-//
-// See https://wg21.link/P2168 for details.
-//
-///////////////////////////////////////////////////////////////////////////////
-// Copyright Lewis Baker, Corentin Jabot
-//
-// Use, modification and distribution is subject to the Boost Software License,
-// Version 1.0.
-// (See accompanying file LICENSE or http://www.boost.org/LICENSE_1_0.txt)
-///////////////////////////////////////////////////////////////////////////////
-
-export module nihil.generator:coroutine_traits;
-
-import nihil.std;
-import :byte_allocator;
-import :forward;
-import :generator_promise;
-
-namespace std {
-
-// Type-erased allocator with default allocator behaviour.
-export template <typename Ref, typename Value, typename... Args>
-struct coroutine_traits<nihil::generator<Ref, Value>, Args...>
-{
-	using promise_type =
-		nihil::generator_promise<nihil::generator<Ref, Value>, std::allocator<std::byte>>;
-};
-
-// Type-erased allocator with std::allocator_arg parameter
-export template <typename Ref, typename Value, typename Alloc, typename... Args>
-struct coroutine_traits<nihil::generator<Ref, Value>, allocator_arg_t, Alloc, Args...>
-{
-private:
-	using byte_allocator = nihil::byte_allocator_t<Alloc>;
-
-public:
-	using promise_type = nihil::generator_promise<nihil::generator<Ref, Value>, byte_allocator,
-	                                              true /*explicit Allocator*/>;
-};
-
-// Type-erased allocator with std::allocator_arg parameter (non-static member functions)
-export template <typename Ref, typename Value, typename This, typename Alloc, typename... Args>
-struct coroutine_traits<nihil::generator<Ref, Value>, This, allocator_arg_t, Alloc, Args...>
-{
-private:
-	using byte_allocator = nihil::byte_allocator_t<Alloc>;
-
-public:
-	using promise_type = nihil::generator_promise<nihil::generator<Ref, Value>, byte_allocator,
-	                                              true /*explicit Allocator*/>;
-};
-
-// Generator with specified allocator type
-export template <typename Ref, typename Value, typename Alloc, typename... Args>
-struct coroutine_traits<nihil::generator<Ref, Value, Alloc>, Args...>
-{
-	using byte_allocator = nihil::byte_allocator_t<Alloc>;
-
-public:
-	using promise_type =
-		nihil::generator_promise<nihil::generator<Ref, Value, Alloc>, byte_allocator>;
-};
-
-} // namespace std
-- 
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