你好世界

你好，世界

using "std" -> std;

fn main() -> int {
  std.println("Hello, world!");
  return 0;
}

你好，循环

using "std" -> std;

fn main() -> int {
  var i = 0;
  while (i < 10) {
    std.println("Hello, while loop!");
    i++;
  }
  for (var i = 0; i < 10; i++) {
    std.println("Hello, for loop!");
  }
  for (a : 0..9) {
    std.println("Hello, range-based for loop!");
  }
  return 0;
}

你好，函数

using "std" -> std;

fn foo() {
  std.println("Hello, foo!");
}

fn bar() {
  std.println("Hello, bar!");
}

fn main() -> int {
  std.println("Hello, main!");
  foo();
  bar();
  return 0;
}