refactor : add capacity in stopfuncs slice

[DeepYV]

Overview

1. added capacity in slice, as we are aware of capacity
2. open issue

Checklist

• New and updated code has appropriate documentation
• New and updated code has new and/or updated testing
• Required CI checks are passing
• Visual proof for any user facing features like CLI or documentation updates
• Linked issues closed with keywords

[codecov-commenter]

Codecov Report

Merging #333 (bf1c10b) into main (50a67ac) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #333   +/-   ##
=======================================
  Coverage   43.76%   43.76%           
=======================================
  Files          26       26           
  Lines        1990     1990           
=======================================
  Hits          871      871           
  Misses        998      998           
  Partials      121      121