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31 lines
814 B
Rust
31 lines
814 B
Rust
use std::sync::atomic::{AtomicUsize, Ordering};
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use std::sync::Arc;
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/// Atomic counter used by [`ProgressBar`].
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///
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/// [`ProgressBar`]: ../views/struct.ProgressBar.html
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#[derive(Clone)]
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pub struct Counter(pub Arc<AtomicUsize>);
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impl Counter {
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/// Creates a new `Counter` starting with the given value.
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pub fn new(value: usize) -> Self {
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Counter(Arc::new(AtomicUsize::new(value)))
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}
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/// Retrieves the current progress value.
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pub fn get(&self) -> usize {
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self.0.load(Ordering::Relaxed)
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}
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/// Sets the current progress value.
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pub fn set(&self, value: usize) {
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self.0.store(value, Ordering::Relaxed);
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}
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/// Increase the current progress by `ticks`.
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pub fn tick(&self, ticks: usize) {
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self.0.fetch_add(ticks, Ordering::Relaxed);
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}
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}
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