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Prefer void to null (#22977)

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* Future<void> main

* Future<void>.delayed

* prefer_void_to_Null

* address review comments
This commit is contained in:
Alexandre Ardhuin
2018-10-16 22:03:06 +02:00
committed by GitHub
parent 5efe095895
commit 0fb84e96c7
139 changed files with 373 additions and 385 deletions
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4
examples/layers/services/isolate.dart
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@@ -136,12 +136,12 @@ class CalculationManager {
// isolates do not have access to the root bundle. However, the loading
// process is asynchronous, so the UI will not block while the file is
// loaded.
rootBundle.loadString('services/data.json').then<Null>((String data) {
rootBundle.loadString('services/data.json').then<void>((String data) {
if (isRunning) {
final CalculationMessage message = CalculationMessage(data, _receivePort.sendPort);
// Spawn an isolate to JSON-parse the file contents. The JSON parsing
// is synchronous, so if done in the main isolate, the UI would block.
Isolate.spawn<CalculationMessage>(_calculate, message).then<Null>((Isolate isolate) {
Isolate.spawn<CalculationMessage>(_calculate, message).then<void>((Isolate isolate) {
if (!isRunning) {
isolate.kill(priority: Isolate.immediate);
} else {