Crate nanoprogress 

A minimal, zero-dependency terminal progress bar for Rust CLI applications.

Quick Start

use nanoprogress::ProgressBar;
use std::thread;
use std::time::Duration;

let bar = ProgressBar::new(100)
    .message("Downloading...")
    .start();

for _ in 0..100 {
    thread::sleep(Duration::from_millis(30));
    bar.tick(1);
}
bar.success("Download complete");

Features

• Zero external dependencies
• Thread-safe (Send + Sync) — clone and share across threads
• Automatic TTY detection — ANSI codes are skipped when output is piped
• Customizable bar width, fill/empty characters, and messages
• Clean finalization with colored ✔ / ✖ symbols
• Automatic cleanup via Drop

Structs

ProgressBar

A thread-safe terminal progress bar.

ProgressBarBuilder

Builder for configuring and starting a ProgressBar.