From cfc641a9bb97c94e5993f895a8bcdf24214adc83 Mon Sep 17 00:00:00 2001
From: Marcos Magueta <maguetamarcos@gmail.com>
Date: Mon, 5 Oct 2026 22:40:22 -0300
Subject: journal for the website

---
 lib/protocols/Derived.ml | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 lib/protocols/Derived.ml

(limited to 'lib/protocols/Derived.ml')

diff --git a/lib/protocols/Derived.ml b/lib/protocols/Derived.ml
new file mode 100644
index 0000000..1968ffc
--- /dev/null
+++ b/lib/protocols/Derived.ml
@@ -0,0 +1,10 @@
+class type implementation = object
+  method within : Handle.t -> (Handle.t, Concepts.Condition.condition) result
+end
+
+type Handle.protocol += Derived of implementation
+type t = implementation
+
+let make impl = Derived (impl :> implementation)
+let from handle = Handle.into handle (function Derived impl -> Some impl | _ -> None)
+let within i directory = Handle.invoke i (fun o -> o#within directory)
-- 
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