State<S extends Enum> class

A state machine for tracking game/application state.

State manages transitions between enum values and provides information about recent transitions for systems that respond to state changes.

enum GameState { menu, playing, paused }

final state = State<GameState>(GameState.menu);

// Check current state
if (state.current == GameState.playing) { ... }

// Request a transition
state.set(GameState.paused);

// Apply the transition (usually done by the framework)
state.applyTransition();