start method
Start a synchronous operation within this task named name
.
Optionally takes a Map of arguments
.
Implementation
void start(String name, {Map arguments}) {
if (_isProduct) return;
ArgumentError.checkNotNull(name, 'name');
var block = new _AsyncBlock._(name, _taskId);
if (arguments != null) {
block._arguments = arguments;
}
_stack.add(block);
block._start();
}