Loaders

A fully-featured, customisable progress bar and loading indicator library for Rust CLI applications, implemented with only the standard library.

Features

Progress bars with known or unknown totals.
Spinners with built-in frame presets.
Multi-progress rendering for concurrent work.
Iterator integration with automatic length detection.
Human-readable ETA, elapsed time, and rate values.
Byte formatting and byte throughput templates.
Custom templates parsed once and reused.
Custom template keys for application-specific labels.
ANSI colors with NO_COLOR support.
Built-in themes for common terminal styles.
Draw throttling by position delta and redraw rate.
Hidden draw targets for tests and quiet mode.
Custom Write targets for captures and logs.
Thread-safe cloned progress bars.
Background steady ticking for spinners.
Reusable ProgressChars for custom progress bar shapes.
Status-aware templates with {status}, {remaining}, {ratio}, and compact counts.
Spinner helpers for success, failure, warning, and informational endings.
27 built-in spinner and loading frame presets.

cargo add loaders

[dependencies]
loaders = "0.0.0"

#![allow(unused)]
fn main() {
use loaders::ProgressBar;

let pb = ProgressBar::new(100);
pb.inc(50);
pb.finish_with_message("done");
}