perf(eval): reduce memory usage

1 files changed, 17 insertions, 1 deletions

diff --git a/src/eval/Title.zig b/src/eval/Title.zig
index dbb5d38..1841ce7 100644
--- a/src/eval/Title.zig
+++ b/src/eval/Title.zig
@@ -2,20 +2,36 @@ const std = @import("std");
 const Allocator = std.mem.Allocator;
 const HTML = Parent.HTML;
 const Parent = @import("Element.zig");
+const Node = Parent.Node;
 
 level: u3,
 content: Parent,
+node: Node = .{
+    .ptr = undefined,
+    .vtable = .{ .element = fromNode },
+},
 
 const Self = @This();
 
 pub fn init(alloc: Allocator, level: u3, content: Parent) !*Self {
     const v = try alloc.create(Self);
     v.* = .{ .level = level, .content = content };
+    v.node.ptr = v;
     return v;
 }
 
 pub fn element(self: *Self) Parent {
-    return .{ .ptr = self, .vtable = .{ .html = html } };
+    return .{ .ptr = self, .vtable = .{ .html = html, .node = getNode } };
+}
+
+fn getNode(context: *anyopaque) *Node {
+    const self: *Self = @ptrCast(@alignCast(context));
+    return &self.node;
+}
+
+fn fromNode(context: *anyopaque) Parent {
+    const self: *Self = @ptrCast(@alignCast(context));
+    return self.element();
 }
 
 fn html(context: *anyopaque, alloc: Allocator) HTML.Error!HTML {