1 files changed, 35 insertions, 0 deletions
diff --git a/stdlib/source/program/aedifex/dependency/status.lux b/stdlib/source/program/aedifex/dependency/status.lux
new file mode 100644
index 000000000..fa62f643e
--- /dev/null
+++ b/stdlib/source/program/aedifex/dependency/status.lux
@@ -0,0 +1,35 @@
+(.module:
+  [lux #*
+   [abstract
+    [equivalence (#+ Equivalence)]]
+   [data
+    ["." sum]
+    ["." product]]]
+  ["." /// #_
+   ["#." hash (#+ Hash SHA-1 MD5)]])
+
+(type: #export Status
+  #Unverified
+  (#Partial (Either (Hash SHA-1)
+                    (Hash MD5)))
+  (#Verified (Hash SHA-1) (Hash MD5)))
+
+(structure: any-equivalence
+  (Equivalence Any)
+
+  (def: (= _ _)
+    true))
+
+(def: #export equivalence
+  (Equivalence Status)
+  ($_ sum.equivalence
+      ..any-equivalence
+      ($_ sum.equivalence
+          ///hash.equivalence
+          ///hash.equivalence
+          )
+      ($_ product.equivalence
+          ///hash.equivalence
+          ///hash.equivalence
+          )
+      ))