Update 04-form-basics.md

hjJunior · FilledStacks · commit 061f5e335f16 · 2023-07-31T16:39:53.000+02:00
Without the interface, the `syncFormWithViewModel` will complain saying that viewModel is not a FormViewModel
diff --git a/docs/getting-started/04-form-basics.md b/docs/getting-started/04-form-basics.md
@@ -240,7 +240,7 @@ class ContentViewModel extends FutureViewModel<Posts> {
 }
 
 // Do instead
-class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper{
+class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper implements FormViewModel {
   ...
 }
 ```
@@ -249,4 +249,4 @@ class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper{
 
 ## We're ready for the Web 🚀
 
-Master Flutter on the web with the official [Flutter Web Course](https://masterflutterweb.carrd.co/)
+Master Flutter on the web with the official [Flutter Web Course](https://masterflutterweb.carrd.co/)

Original file line number	Diff line number	Diff line change
`@@ -240,7 +240,7 @@ class ContentViewModel extends FutureViewModel<Posts> {`
`240`	`240`	`}`
`241`	`241`
`242`	`242`	`// Do instead`
`243`		`-class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper{`
	`243`	`+class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper implements FormViewModel {`
`244`	`244`	`...`
`245`	`245`	`}`
`246`	`246`	```
`@@ -249,4 +249,4 @@ class ContentViewModel extends FutureViewModel<Posts> with FormStateHelper{`
`249`	`249`
`250`	`250`	`## We're ready for the Web 🚀`
`251`	`251`
`252`		`-Master Flutter on the web with the official [Flutter Web Course](https://masterflutterweb.carrd.co/)`
	`252`	`+Master Flutter on the web with the official [Flutter Web Course](https://masterflutterweb.carrd.co/)`