update() must return an Array, no ambiguity

examples/make-n-model.js

@@ -25,11 +25,11 @@ export function update (msg, state) {
         loadModelsForMake(id, ReceiveModels)
       ]
     },
-    ReceiveModels, models => ({
+    ReceiveModels, models => [{
       ...state,
       models,
       isLoading: false
-    })
+    }]
   ])
 }
 

examples/search.js

@@ -3,12 +3,12 @@ import message from 'raj/message'
 import react from 'raj/react'
 
 export function init () {
-  return {
+  return [{
     searchQuery: '',
     searchResults: [],
     isLoading: false,
     error: null
-  }
+  }]
 }
 
 export const ChangeQuery = message()
@@ -27,17 +27,17 @@ export function update (msg, state) {
       searchQuery: query,
       isLoading: true
     }, fetchResults(query)],
-    ReceiveResults, results => ({
+    ReceiveResults, results => [{
       ...state,
       searchResults: results,
       isLoading: false,
       error: null
-    }),
-    ReceiveError, error => ({
+    }],
+    ReceiveError, error => [{
       ...state,
       error,
       isLoading: false
-    })
+    }]
   ])
 }
 

react.js

@@ -1,17 +1,9 @@
-function marshal (result) {
-  if (Array.isArray(result)) {
-    return result
-  } else {
-    return [result]
-  }
-}
-
 function program (React, {init, update, view, flags}) {
   return class Program extends React.Component {
     constructor (props) {
       super(props)
       this._dispatch = this.dispatch.bind(this)
-      const [state, effect] = marshal(init(flags, props))
+      const [state, effect] = init(flags, props)
       this.state = state
       if (effect) {
         this.command(effect)
@@ -24,7 +16,7 @@ function program (React, {init, update, view, flags}) {
 
     dispatch (message) {
       this.setState(oldState => {
-        const [state, effect] = marshal(update(message, oldState))
+        const [state, effect] = update(message, oldState)
         if (effect) {
           this.command(effect)
         }