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Remove unnecessary await Future.microtask(() #367

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Remove unnecessary await Future.microtask(() #367

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23 changes: 11 additions & 12 deletions bench/algorithm/coro-prime-sieve/1.dart
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Original file line number Diff line number Diff line change
@@ -1,27 +1,26 @@
// Based on a version by hanabi1224 and kevmoo
// Modified by Christian Kleineidam

import 'dart:async';

Future<void> main(List<String> arguments) async {
final n = arguments.isNotEmpty ? int.parse(arguments[0]) : 5;
var stream = StreamIterator(generate());
for (var i = 0; i < n; i++) {
final n = arguments.isNotEmpty ? int.parse(arguments[0]) : 20;
StreamIterator<int> stream = StreamIterator(generate());
for (int i = 0; i < n; i++) {
await stream.moveNext();
final prime = stream.current;
print(prime);
stream = StreamIterator(filter(stream, prime));
print(stream.current);
stream = StreamIterator(filter(stream, stream.current));
}
}

Stream<int> generate() async* {
for (var i = 2;; i++) {
yield await Future.microtask(() => i);
}
for (int i = 2;; i++) {yield i;}
}

Stream<int> filter(StreamIterator<int> input, int prime) async* {
while (await input.moveNext()) {
final i = input.current;
if (i % prime != 0) {
yield await Future.microtask(() => i);
if (input.current % prime != 0) {
yield input.current;
}
}
}