ScaldiExample.scala

import scaldi.{Injectable, Module, Injector}

class UserService

class UserController(implicit inj: Injector) extends Injectable {
  val userService = inject [UserService]
}

class OrderService(implicit inj: Injector) extends Injectable {
  val userService = inject [UserService]
}

class OrderController(implicit inj: Injector) extends Injectable {
  val orderService = inject [OrderService]
}


class UserModule extends Module {
  binding to new UserService
  binding to new UserController
}

class OrderModule extends Module {
  binding to new OrderService
  binding to new OrderController
}

implicit val appModule = new UserModule :: new OrderModule

import Injectable._

println(inject[OrderService].userService)

SubcutExmaple.scala

import com.escalatesoft.subcut.inject.{NewBindingModule, BindingModule, Injectable}

class UserService

class UserController(implicit val bindingModule: BindingModule) extends Injectable {
  val userService = inject [UserService]
}

class OrderService(implicit val bindingModule: BindingModule) extends Injectable {
  val userService = inject [UserService]
}

class OrderController(implicit val bindingModule: BindingModule) extends Injectable {
  val orderService = inject [OrderService]
}

class UserModule extends NewBindingModule ({ implicit module =>
  import module._

  bind [UserService] toSingle new UserService
  bind [UserController] toSingle new UserController
})

class OrderModule extends NewBindingModule ({ implicit module =>
  import module._

  bind [OrderService] toSingle new OrderService
  bind [OrderController] toSingle new OrderController
})

val appModule = new UserModule ~ new OrderModule

println(appModule.inject[OrderService](None).userService)

// Explodes with following exception:
// Exception in thread "main" com.escalatesoft.subcut.inject.BindingException: No binding for key BindingKey(UserService,None)