27 lines
849 B
Rust
27 lines
849 B
Rust
extern crate rand;
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use rand::Rng;
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fn random_cell<R: Rng>(rng: &mut R) -> u32 {
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// Anything between 0 and 10_000 (exclusive) has 4 digits or fewer. Using `gen_range::<u32>`
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// is faster for smaller RNGs. Because the parameters are constant, the compiler can do all
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// the range construction at compile time, removing the need for
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// `rand::distributions::range::Range`
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rng.gen_range(0, 10_000)
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}
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fn main() {
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let mut rng = rand::thread_rng(); // Cache the RNG for reuse
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println!("<table><thead><tr><th></th><td>X</td><td>Y</td><td>Z</td></tr></thead>");
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for row in 0..3 {
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let x = random_cell(&mut rng);
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let y = random_cell(&mut rng);
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let z = random_cell(&mut rng);
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println!("<tr><th>{}</th><td>{}</td><td>{}</td><td>{}</td></tr>", row, x, y, z);
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}
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println!("</table>");
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}
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