1 files changed, 26 insertions, 0 deletions
diff --git a/lib/conventions.ml b/lib/conventions.ml
new file mode 100644
index 0000000..74f6cc3
--- /dev/null
+++ b/lib/conventions.ml
@@ -0,0 +1,26 @@
+module Hash = struct
+  type t = Interop.Sha256.t
+  let hash_text text = Interop.Sha256.compute_hash (Bytes.of_string text)
+  let compare = String.compare
+end
+
+module Name = struct
+  type t = string
+end
+
+module Cardinality = struct
+  type t = Finite of int | AlephZero | Continuum
+end
+
+module AbstractValue = struct
+  module StringMap = Map.Make(String)
+  type t = {
+    fields: string StringMap.t;
+  }
+  let hash_text value = 
+    let folder (name: string) (value: string) (acc: Hash.t) = 
+      Hash.(hash_text (acc ^ hash_text name ^ hash_text value))
+    in StringMap.fold folder value.fields ""
+  let compare a b = 
+    StringMap.compare String.compare a.fields b.fields
+end
+\ No newline at end of file