27 wiersze
714 B
Rust
27 wiersze
714 B
Rust
// declare the module by its file name
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mod rounding;
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// Rust will also accept if you implement it right away
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mod printer {
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// import a function from an external crate (no more extern declaration required!)
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use rust_pilib::monte_carlo_pi;
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// crates present in the parent can be imported using the crate prefix
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use crate::rounding::round;
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pub fn pretty_print_pi_approx(iterations: usize) {
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let pi = monte_carlo_pi(iterations);
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let places: usize = 2;
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println!("Pi is ~ {} and rounded to {} places {}", pi, places, round(pi, places));
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}
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}
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// import from the module above
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use printer::pretty_print_pi_approx;
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fn main() {
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pretty_print_pi_approx(100_000);
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}
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