Flutter scaffolding proposal

flutter.go

import "github.com/flutter/flutter"
import . "scaffold" // scaffold.go

func (m *MyHomePage) Build(ctx flutter.BuildContext) flutter.Widget {
    return Scaffold{
        AppBar: AppBar{
            Title: Text{ Text: "My Home Page"},
        },
        Body: Center{
            Child: Column{
                MainAxisAlignment: MainAxisAlignment.center,
                Children: []Widget{
                    Text{ Text: "You have pushed the button this many times:" },
                    Text(
                        Text:  fmt.Sprintf("%d", m.counter),
                        Style: ctx.textTheme.display1,
                    },
                }
            }
        },
        FloatingActionButton: FloatingActionButton{
            onPressed: m.incrementCounter,
            Tooltip:   "Increment",
            Child: Icon{Icons.add}, // Couldn't resist just one shorthand :)
        }
    }.Construct()
}

scaffold.go

import "github.com/flutter/flutter"

type Widget interface {
    Construct() flutter.Widget
}

type Text struct {
    Text string
    Style // ... whatever this is, I'm example-ing
}
func (t *Text) Construct() {
    return flutter.Text(t.Text, t.Style) 
}

type Column struct {
    MainAxisAlignment: ...
    Children []Widget
}
func (c *Column) Construct() {
    // Example of recursive construction for container widgets
    children = make([]flutter.Widget, len(c.Children))
    for i, child := range c.Children {
        children[i] = child.Construct()
    }
    return flutter.Column(c.MainAxisAlignment, children)
}