sma

import 'dart:async';
import 'dart:math';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

// ----------------------------------------------------------------------------

class Box<T> {
  Box(this.value);

sma

import 'dart:async';
import 'dart:collection';

import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:firebase_core/firebase_core.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:signals/signals_flutter.dart';

import 'firebase_options.dart';

sma

import 'dart:math';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {

sma

/// Parses a plist file into a Dart object.
dynamic parsePlist(String plist) {
  final tokens = RegExp(r'(\s+|<[!?].*?>)|<(/?\w+)[^>]*>|([^<]*)', dotAll: true)
      .allMatches(plist)
      .where((match) => match[1] == null)
      .map((match) => match[2] != null ? (1, match[2]!) : (2, match[3]!))
      .followedBy([(0, '')]).iterator
    ..moveNext();

  bool at(String s) => tokens.current == (1, s) && tokens.moveNext();

sma

/// A KV that can be observed for changes to key bindings.
class ObservableKV {
  ObservableKV(this._kv);
  final KV _kv;
  final _listeners = <void Function(String, Object?)>[];

  Stream<(Object, Object?)> observe(String prefix) {
    late final StreamController<(Object, Object?)> controller;

    void listener(String key, Object? value) {

sma

/// A simple key-value store w/persistent sqlite3 database.
class KV {
  KV._(this._db);
  final Database _db;

  static Future<KV> open(String name) async {
    return KV._(sqlite3.open(name)..execute('create table if not exists kv (k text primary key, v jsonb)'));
  }

  Future<Object?> get(String key) async {

sma

/// A simple read-optimized in-memory key-value store w/persistent file-based redo log.
class KV {
  KV._(this._file, this._data);
  final File _file;
  final Map<String, dynamic> _data;

  static Future<KV> open(File file) async {
    final data = <String, dynamic>{};
    if (!file.existsSync()) return KV._(file, data);
    await for (final line in file //

sma

import 'package:flutter/material.dart';

void main() {
  runApp(const App());
}

class App extends StatelessWidget {
  const App({super.key});

  @override

sma

import 'package:flutter/material.dart';

void main() {
  runApp(const App());
}

class App extends StatelessWidget {
  const App({super.key});

  @override

sma

import 'dart:async';

import 'package:flutter/material.dart';

/// See [asyncTask].
typedef Task<T> = Future<T?> Function(bool Function() cancelled);

/// Runs the future returned by [task] and shows a modal waiting dialog after
/// an initial [delay] (default 100 ms) with an optional [label] until the future
/// completes. The [task] is passed a function that returns whether the task