Demonstrate whenNull() chaining [skip ci]

thekid · thekid · commit dd90f8e4e1fa · 2015-05-30T14:32:31.000+02:00
diff --git a/README.md b/README.md
@@ -64,6 +64,7 @@ $user= $first->orUse(function() { return $this->currentUser(); });
 $name= $first
   ->filter(function($user) { return !$user->isDeleted(); })
   ->whenNull($this->currentUser)
+  ->whenNull(function() { return $this->guestUser(); })
   ->map('com.example.User::name')
   ->get()
 ;

Original file line number	Diff line number	Diff line change
`@@ -64,6 +64,7 @@ $user= $first->orUse(function() { return $this->currentUser(); });`
`64`	`64`	`$name= $first`
`65`	`65`	`->filter(function($user) { return !$user->isDeleted(); })`
`66`	`66`	`->whenNull($this->currentUser)`
	`67`	`+ ->whenNull(function() { return $this->guestUser(); })`
`67`	`68`	`->map('com.example.User::name')`
`68`	`69`	`->get()`
`69`	`70`	`;`