build_tests/rust_hello.rs

extern crate hello_lib;

extern "C" {
    fn sqrt(x: f64) -> f64;
}

fn main() {
  let hello = hello_lib::Greeter::new("Hello");
  println!("{},\n{}", hello.greet("world"), hello.greet("bazel"));

  let mut numbers = Vec::new();
  for i in 1..=10 {
      numbers.push(i);
  }
  println!("{:?}", numbers);

  let words = vec!["foo", "bar", "baz"];
  println!("{:?}", words);

  println!("sqrt(4) = {}", unsafe { sqrt(4.0) });
}