Added equivalence for any I64.

1 files changed, 22 insertions, 15 deletions

diff --git a/stdlib/source/lux/data/number/i64.lux b/stdlib/source/lux/data/number/i64.lux
index dbc58b004..15b4ed821 100644
--- a/stdlib/source/lux/data/number/i64.lux
+++ b/stdlib/source/lux/data/number/i64.lux
@@ -1,7 +1,8 @@
 (.module:
   [lux (#- and or not)
    [abstract
-    [monoid (#+ Monoid)]]])
+    [monoid (#+ Monoid)]
+    [equivalence (#+ Equivalence)]]])
 
 (def: #export bits-per-byte 8)
 
@@ -32,20 +33,6 @@
   (All [s] (-> (I64 s) (I64 s)))
   (xor (:coerce I64 -1)))
 
-(structure: #export disjunction
-  (All [a] (Monoid (I64 a)))
-
-  (def: identity (.i64 0))
-  (def: compose ..or)
-  )
-
-(structure: #export conjunction
-  (All [a] (Monoid (I64 a)))
-
-  (def: identity (.i64 (..not 0)))
-  (def: compose ..and)
-  )
-
 (def: #export (mask bits)
   (-> Nat (I64 Any))
   (|> 1 (..left-shift (n/% ..width bits)) .dec))
@@ -105,3 +92,23 @@
 (def: #export (region size offset)
   (-> Nat Nat I64)
   (|> 1 (:coerce I64) (left-shift size) dec (left-shift offset)))
+
+(structure: #export equivalence
+  (All [a] (Equivalence (I64 a)))
+
+  (def: (= parameter subject)
+    ("lux i64 =" parameter subject)))
+
+(structure: #export disjunction
+  (All [a] (Monoid (I64 a)))
+
+  (def: identity (.i64 0))
+  (def: compose ..or)
+  )
+
+(structure: #export conjunction
+  (All [a] (Monoid (I64 a)))
+
+  (def: identity (.i64 (..not 0)))
+  (def: compose ..and)
+  )