refactor: apply project style guidelines

source/ast/renderer/renderer.hon

@@ -2,18 +2,22 @@ import "@std/mem"
 import "@std/arraylist"
 import "@source/ast"
 
+#! owns output bytes and retains its allocator; release with deinit.
 Renderer :: struct {
     bytes arraylist.ArrayList(u8)
 }
 
+#! retains allocator for rendered output; the caller owns the returned Renderer.
 init proc(allocator mem.Allocator) Renderer {
     return Renderer{ bytes = arraylist.init(allocator) }
 }
 
+#! releases output bytes with the retained allocator.
 deinit proc(renderer @mut Renderer) void {
     arraylist.deinit(&renderer.bytes)
 }
 
+#! borrows tree during rendering; output stays renderer-owned until render or deinit.
 render proc(renderer @mut Renderer, tree @ast.Tree) void ! mem.AllocError {
     arraylist.clear(&renderer.bytes)
     try append_text(renderer, "package\n")

source/ast/renderer/renderer.test.hon

@@ -14,7 +14,7 @@ renders_semantic_debug_view test {
         .constant,
         value,
     )
-    declarations [1]ast.NodeId := [declaration]
+    declarations [1]ast.NodeId :: [declaration]
     package :: try ast.add_package(&builder, ast.Span{ start = 0, end = 11 }, declarations[..])
     tree := ast.finish(&builder, package)
     defer ast.deinit(&tree)