signal<T> function
Creates a fine-grained reactive state signal with an initialValue.
Signals hold a value and notify dependent widgets, effects, and computed values synchronously when their value changes.
Example:
final counter = signal(0);
counter.value++;
Implementation
sf.Signal<T> signal<T>(T initialValue, {String? debugLabel}) {
return sf.signal<T>(initialValue, debugLabel: debugLabel);
}