ramda.dart

void print2(var v) { print(v * 2); }

main() {
  var vs = [1, 7, 3, 2, 0, 5, 0, 4];
  print('--1--');
  vs.forEach(print);
  print('--2--');
  vs.forEach(print2);
  print('--3--');
  vs.forEach( (a) => print(a*a) );
}