1 files changed, 24 insertions, 0 deletions
diff --git a/dhall/src/traits/static_type.rs b/dhall/src/traits/static_type.rs
index b402ca9..6c41e3f 100644
--- a/dhall/src/traits/static_type.rs
+++ b/dhall/src/traits/static_type.rs
@@ -47,12 +47,36 @@ impl SimpleStaticType for Natural {
     }
 }
 
+impl SimpleStaticType for u32 {
+    fn get_simple_static_type() -> SimpleType {
+        mktype(dhall_expr!(Natural))
+    }
+}
+
+impl SimpleStaticType for u64 {
+    fn get_simple_static_type() -> SimpleType {
+        mktype(dhall_expr!(Natural))
+    }
+}
+
 impl SimpleStaticType for Integer {
     fn get_simple_static_type() -> SimpleType {
         mktype(dhall_expr!(Integer))
     }
 }
 
+impl SimpleStaticType for i32 {
+    fn get_simple_static_type() -> SimpleType {
+        mktype(dhall_expr!(Integer))
+    }
+}
+
+impl SimpleStaticType for i64 {
+    fn get_simple_static_type() -> SimpleType {
+        mktype(dhall_expr!(Integer))
+    }
+}
+
 impl SimpleStaticType for String {
     fn get_simple_static_type() -> SimpleType {
         mktype(dhall_expr!(Text))