DartPad Template

main.dart

//----------------------------------------------------------------------------//
extension KtScopeFunction<T> on T {
  R let<R>(R Function(T it) block) => block(this);
  T also(void Function(T it) block) { block(this); return this; }
  T? takeIf(bool Function(T it) predicate) => predicate(this) ? this : null;
  T? takeUnless(bool Function(T it) predicate) => predicate(this) ? null : this;
}

T run<T>(T Function() block) => block();

// ignore: non_constant_identifier_names
Never TODO([String? message]) =>
    throw UnimplementedError(message ?? '`TODO` not implemented.');

extension Tlog<T> on T {
  T log([Object Function(T)? transform]) {
    print((transform?.call(this) ?? this).toString());
    return this;
  }
}

//----------------------------------------------------------------------------//
void main() {
  
}