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-rw-r--r--lib/protocols/Executable.ml12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/protocols/Executable.ml b/lib/protocols/Executable.ml
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+++ b/lib/protocols/Executable.ml
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+class type implementation = object
+ method invoke :
+ Handle.t list -> within:Handle.t -> (Handle.t, Concepts.Condition.condition) result
+end
+
+type Handle.protocol += Executable of implementation
+type t = implementation
+
+let make impl = Executable (impl :> implementation)
+let from handle = Handle.into handle (function Executable impl -> Some impl | _ -> None)
+let require = Handle.require from
+let invoke i inputs ~within = Handle.invoke i (fun o -> o#invoke inputs ~within)