mod(element): introduce deinit interface for deinitializing Elements automatically with the Container

examples/demo.zig

@@ -66,7 +66,6 @@ pub fn main() !void {
     try box.append(try App.Container.init(allocator, .{
         .rectangle = .{ .fill = .lightgreen },
     }, .{}));
-    defer box.deinit();
 
     var scrollable: App.Scrollable = .init(box, .disabled);
 

examples/elements/input.zig

@@ -73,8 +73,6 @@ pub fn main() !void {
     defer renderer.deinit();
 
     var input_field: App.Input(.accept) = .init(allocator, &app.queue, .init(.black, .blue));
-    defer input_field.deinit();
-
     var mouse_draw: MouseDraw = .{};
     var second_mouse_draw: MouseDraw = .{};
     var quit_text: QuitText = .{};

examples/elements/scrollable.zig

@@ -106,7 +106,6 @@ pub fn main() !void {
             .dim = .{ .y = 2 },
         },
     }, .{}));
-    defer top_box.deinit();
 
     var bottom_box = try App.Container.init(allocator, .{
         .border = .{
@@ -134,7 +133,6 @@ pub fn main() !void {
     try bottom_box.append(try App.Container.init(allocator, .{
         .rectangle = .{ .fill = .grey },
     }, .{}));
-    defer bottom_box.deinit();
 
     var container = try App.Container.init(allocator, .{
         .layout = .{

examples/styles/palette.zig

@@ -53,7 +53,6 @@ pub fn main() !void {
     var box = try App.Container.init(allocator, .{
         .layout = .{ .direction = .horizontal },
     }, .{});
-    defer box.deinit();
 
     inline for (std.meta.fields(zterm.Color)) |field| {
         if (field.value == 0) continue; // zterm.Color.default == 0 -> skip

examples/styles/text.zig

@@ -207,12 +207,9 @@ pub fn main() !void {
         },
     }, table_head.element()));
 
-    var box = try App.Container.init(allocator, .{
+    var scrollable: App.Scrollable = .init(try .init(allocator, .{
         .layout = .{ .direction = .vertical },
-    }, text_styles.element());
-    defer box.deinit();
-
-    var scrollable: App.Scrollable = .init(box, .disabled);
+    }, text_styles.element()), .enabled(.white, true));
     try container.append(try App.Container.init(allocator, .{}, scrollable.element()));
 
     try app.start();