unsigned integer constraint (uint)

tree-sitter-brolang/test/corpus/syntax.txt

@@ -493,3 +493,19 @@ visit func(kind Kind, value Value) void {
                       (sink))
                     (expression
                       (identifier))))))))))))
+
+==================
+Unsigned constraint
+==================
+
+value uint :: 255
+
+---
+
+(source_file
+  (global_constant_declaration
+    (identifier)
+    (type
+      (builtin_type))
+    (expression
+      (integer))))

tree-sitter-brolang/test/highlight/intrinsics.bro

@@ -1,6 +1,9 @@
 hide helper func() void {}
 # <- keyword
 
+value uint :: 1
+#     ^^^^ type.builtin
+
 main func() void {
 	_ = sizeof!(i32)
 #	    ^^^^^^ function.builtin