24 lines
583 B
Rust
24 lines
583 B
Rust
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use indicatif::ProgressBar;
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fn many_units_of_easy_work(n: u64, label: &str) {
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let pb = ProgressBar::new(n);
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let mut sum = 0;
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for i in 0..n {
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// Any quick computation, followed by an update to the progress bar.
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sum += 2 * i + 3;
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pb.inc(1);
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}
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pb.finish();
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println!("[{}] Sum ({}) calculated in {:?}", label, sum, pb.elapsed());
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}
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fn main() {
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const N: u64 = 1 << 20;
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// Perform a long sequence of many simple computations monitored by a
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// default progress bar.
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many_units_of_easy_work(N, "Default progress bar ");
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}
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