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progress

Progress bar iterator that wraps a sequence and renders a bar as items are consumed. It runs inside a withSpinner/useSpinner context so the bar animates smoothly.

import std/os
import hwylterm/progress

let items = (1..20).toSeq()
for item in progress(items):
  sleep 100

Segments

By default the bar renders only the bar itself. Pass segments to newProgress to add a fraction counter or percentage:

import std/os
import hwylterm/progress

var pb = newProgress(segments = @[Bar, Fraction, Percent])
for item in pb.progress((1..20).toSeq()):
  sleep 100

See ProgressSegment for all options (Bar, Fraction, Percent).

With an existing spinner

If you already have a Spinny from the spin module, pass it to progress to share the spinner:

import std/os
import hwylterm/[spin, progress]

withSpinner("processing"):
  for item in progress(spinner, (1..20).toSeq()):
    sleep 100