gistfile1.go

package desk

import (
  "github.com/lann/builder"
)

type StructA struct {
  Name    *string
}

type StructB struct {
  Subject *string
}

type StructC struct {
  Subject *string
  Body    *string
}

type baseBuilder builder.Builder

type derivedBuilder baseBuilder

func (b derivedBuilder) SetBody(value string) derivedBuilder {
  return builder.Set(b, "Body", &value).(derivedBuilder)
}

func (b derivedBuilder) BuildStructC() StructC {
  return builder.GetStructLike(b, StructC{}).(StructC)
}

func (b baseBuilder) SetString(field string,value string) baseBuilder {
  return builder.Set(b, field, &value).(baseBuilder)
}

func (b baseBuilder) BuildStructA() StructA {
  return builder.GetStructLike(b, StructA{}).(StructA)
}

func (b baseBuilder) BuildStructB() StructB {
  return builder.GetStructLike(b, StructB{}).(StructB)
}

var StructABuilder = builder.Register(baseBuilder{}, StructA{}).(baseBuilder)
var StructBBuilder = builder.Register(baseBuilder{}, StructB{}).(baseBuilder)
var StructCBuilder = builder.Register(derivedBuilder{}, StructC{}).(derivedBuilder)