Merge pull request #650 from sanctuary-js/davidchambers/size

array: update return type of S.size
sanctuary-js · Sep 11, 2019 · fa582a5 · fa582a5
2 parents 3de3fca + c4fa0e2
commit fa582a5
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/index.js b/index.js
@@ -3024,7 +3024,7 @@
     impl: dropWhile
   };
 
-  //# size :: Foldable f => f a -> Integer
+  //# size :: Foldable f => f a -> NonNegativeInteger
   //.
   //. Returns the number of elements of the given structure.
   //.
@@ -3052,7 +3052,7 @@
   //. ```
   _.size = {
     consts: {f: [Z.Foldable]},
-    types: [f (a), $.Integer],
+    types: [f (a), $.NonNegativeInteger],
     impl: Z.size
   };
 

diff --git a/test/size.js b/test/size.js
@@ -8,7 +8,7 @@ const eq = require ('./internal/eq');
 
 test ('size', () => {
 
-  eq (S.show (S.size)) ('size :: Foldable f => f a -> Integer');
+  eq (S.show (S.size)) ('size :: Foldable f => f a -> NonNegativeInteger');
 
   eq (S.size ([])) (0);
   eq (S.size (['foo'])) (1);