fix a new strong mode issue (#1498)

devoncarew · web-flow · commit d92d3a78b465 · 2017-09-08T11:53:08.000-07:00
diff --git a/tool/doc_packages.dart b/tool/doc_packages.dart
@@ -106,7 +106,7 @@ void generateForPackages(List<String> packages) {
   });
 }
 
-Future _printGenerationResult(PackageInfo package, Future generationResult) {
+Future _printGenerationResult(PackageInfo package, Future<bool> generationResult) {
   String name = package.name.padRight(20);
 
   return generationResult.then((bool result) {

Original file line number	Diff line number	Diff line change
`@@ -106,7 +106,7 @@ void generateForPackages(List<String> packages) {`
`106`	`106`	`});`
`107`	`107`	`}`
`108`	`108`
`109`		`-Future _printGenerationResult(PackageInfo package, Future generationResult) {`
	`109`	`+Future _printGenerationResult(PackageInfo package, Future<bool> generationResult) {`
`110`	`110`	`String name = package.name.padRight(20);`
`111`	`111`
`112`	`112`	`return generationResult.then((bool result) {`