rust-script 0.36.0

Command-line tool to run Rust "scripts" which can make use of crates.
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#!/usr/bin/env rust-script

fn fib(n: i32) -> i32 {
  match n {
    1 | 2 => 1,
    _ => fib(n-1) + fib(n-2)
  }
}

fn main() {
  assert_eq!(fib(30), 832040);
}