95dc65a0e9
Implement await for statement to iterate over streams. Uses
the built-in class StreamIterator.
await for (var e in stream_expr) {
S;
}
Is translated to:
var it = new StreamIterator(stream_expr);
while (await it.moveNext()) {
var e = it.current;
S;
}
Review URL: https://codereview.chromium.org//662603003
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@41328 260f80e4-7a28-3924-810f-c04153c831b5