conlang: Add array and slice type syntax

compiler/cl-ast/src/ast_impl.rs

@@ -307,6 +307,8 @@ mod display {
                 TyKind::Never => "!".fmt(f),
                 TyKind::Empty => "()".fmt(f),
                 TyKind::Path(v) => v.fmt(f),
+                TyKind::Array(v) => v.fmt(f),
+                TyKind::Slice(v) => v.fmt(f),
                 TyKind::Tuple(v) => v.fmt(f),
                 TyKind::Ref(v) => v.fmt(f),
                 TyKind::Fn(v) => v.fmt(f),
@@ -314,6 +316,20 @@ mod display {
         }
     }
 
+    impl Display for TyArray {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            let Self { ty, count } = self;
+            write!(f, "[{ty}; {count}]")
+        }
+    }
+
+    impl Display for TySlice {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            let Self { ty } = self;
+            write!(f, "[{ty}]")
+        }
+    }
+
     impl Display for TyTuple {
         fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
             separate(&self.types, ", ")(f.delimit(INLINE_PARENS))