Flutter in Go (https://divan.github.io/posts/flutter_go) - Functional options approach

home_page.go

func (m *MyHomePage) Build(ctx BuildContext) Widget {
    return NewScaffold(
        ScaffoldWithAppBar(
            NewAppBar(
                AppBarWithTitle(
                    NewTitle(
                        TitleWithText(NewText(TextWithText("My home page"))),
                    ),
                ),
            ),
        ),
        ScaffoldWithBody(
            NewCenter(
                CenterWithChild(
                    NewColumn(
                        ColumnWithMainAxisAlignment(MainAxisAlignment.center),
                        ColumnWithChildren(
                            []Widget{
                                NewText(TextWithText("You have pushed the button this many times:")),
                                NewText(
                                    TextWithText(fmt.Sprintf("%d", m.counter)),
                                    TextWithStyle(ctx.textTheme.display1),
                                ),
                            },
                        ),
                    ),
                ),
            ),
        ),
        ScaffoldWithFloatingActionButton(
            NewFloatingActionButton(
                FloatingActionButtonWithOnPressed(m.incrementCounter),
                FloatingActionButtonWithTooltip("Increment"),
                FloatingActionButtonWithChild(
                    NewIcon(IconWithIcon(Icons.add)),
                ),
            ),
        ),
    )
}