Start routing and pipeline rewrite

src/di/constructable.ts

@@ -0,0 +1,11 @@
+import {Container} from './Container'
+import {TypedDependencyKey} from './types'
+import {Pipeline} from '../util'
+
+export type Constructable<T> = Pipeline<Container, T>
+
+export function constructable<T>(key: TypedDependencyKey<T>): Constructable<T> {
+    return new Pipeline<Container, T>(
+        container => container.make(key),
+    )
+}

src/di/index.ts

@@ -14,3 +14,4 @@ export * from './types'
 
 export * from './decorator/injection'
 export * from './InjectionAware'
+export * from './constructable'