From a8b0ea58e60bb0326b7f7c8f3c736d89ce9ef1df Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Sun, 29 Jun 2025 19:19:23 +0100
Subject: wip macOS port

---
 nihil.posix/executor.ccm | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 nihil.posix/executor.ccm

(limited to 'nihil.posix/executor.ccm')

diff --git a/nihil.posix/executor.ccm b/nihil.posix/executor.ccm
new file mode 100644
index 0000000..f348dc8
--- /dev/null
+++ b/nihil.posix/executor.ccm
@@ -0,0 +1,27 @@
+/*
+ * This source code is released into the public domain.
+ */
+
+module;
+
+#include <concepts>
+#include <type_traits>
+
+export module nihil.posix:executor;
+
+namespace nihil {
+
+/*
+ * A concept to mark spawn executors.
+ */
+
+export struct exec_tag{};
+
+export template<typename T>
+concept executor =
+	requires (T e) {
+		std::same_as<exec_tag, typename std::remove_cvref_t<T>::tag>;
+		{ e.exec() };
+	};
+
+} // namespace nihil
-- 
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