stdlib: Inference engine caught some type errors! Also added some hot garbage.

stdlib/std/range.cl

@@ -1,15 +1,17 @@
 //! Iterable ranges
 
 /// An Exclusive Range `a .. b` iterates from a to b, excluding b
-// #[lang = "range_exc"]
+#[lang = "range_exc"]
 pub struct RangeExc<T>(T, T)
 
 /// An Inclusive Range `a ..= b` iterates from a to b, including b
-// #[lang = "range_inc"]
+#[lang = "range_inc"]
 pub struct RangeInc<T>(T, T)
 
-impl RangeExc {
-    fn next<T>(this: &RangeExc) -> T {
-        (*this).0
-    }
+impl<T> RangeExc<T> {
+    // fn next(self: &Self) -> T {
+    //     let out = (*self.0);
+    //     (*self).0 += 1;
+    //     out
+    // }
 }