pub const AssetId = u64; pub const Handle = struct { pub const Scene = extern struct { id: AssetId = 0 }; pub const Shader = extern struct { id: AssetId = 0 }; pub const ShaderProgram = extern struct { id: AssetId = 0 }; pub const Mesh = extern struct { id: AssetId = 0 }; pub const Texture = extern struct { id: AssetId = 0 }; };