Emit an instant event for this task.
Source
void instant(String name, {Map arguments}) { if (_isProduct) { return; } if (name is! String) { throw new ArgumentError.value(name, 'name', 'Must be a String'); } Map instantArguments; if (arguments is Map) { instantArguments = new Map.from(arguments); } _reportTaskEvent(_getTraceClock(), _taskId, 'n', 'Dart', name, _argumentsAsJson(instantArguments)); }