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concurrency work in prep for speeding things up

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refactor splash screen to process initialization in a better way
more async tools for async cubit constructors
greatly improved StateMapFollower class
This commit is contained in:
Christien Rioux 2024-04-03 21:55:49 -04:00
parent 8da1dc7d32
commit 9bb20f4dd2
47 changed files with 886 additions and 579 deletions
packages/async_tools/lib/src
single_future.dart

19
packages/async_tools/lib/src/single_future.dart
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@ -4,14 +4,14 @@ import 'async_tag_lock.dart';
AsyncTagLock<Object> _keys = AsyncTagLock();
// Process a single future at a time per tag
//
// The closure function is called to produce the future that is to be executed.
// If a future with a particular tag is still executing, the onBusy callback
// is called.
// When a tagged singleFuture finishes executing, the onDone callback is called.
// If an unhandled exception happens in the closure future, the onError callback
// is called.
/// Process a single future at a time per tag
///
/// The closure function is called to produce the future that is to be executed.
/// If a future with a particular tag is still executing, the onBusy callback
/// is called.
/// When a tagged singleFuture finishes executing, the onDone callback is called.
/// If an unhandled exception happens in the closure future, the onError callback
/// is called.
void singleFuture<T>(Object tag, Future<T> Function() closure,
{void Function()? onBusy,
void Function(T)? onDone,
@ -40,3 +40,6 @@ void singleFuture<T>(Object tag, Future<T> Function() closure,
}
}());
}
Future<void> singleFuturePause(Object tag) async => _keys.lockTag(tag);
void singleFutureResume(Object tag) => _keys.unlockTag(tag);