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21 lines
388 B
21 lines
388 B
4 years ago
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use std::io::stdin;
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const fn double(x: i32) -> i32 {
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x * 2
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}
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const FIVE: i32 = 5;
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const TEN: i32 = double(FIVE);
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fn main() {
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assert_eq!(5, FIVE);
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assert_eq!(10, double(FIVE));
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println!("Your const is {}", double(10));
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let mut s = String::new();
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stdin().read_line(&mut s).unwrap();
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println!("Your double: {}", double(s.trim().parse::<i32>().unwrap()));
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}
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