switch

A constant time/expandable switch/case

For more details, see the documentation, switch.pdf

Requirements

• none besides a fairly recent LaTeX distribution as recent as 2022/06/01

(with the new in kernel ProcessKeyOptions and NewDocumentCommand).

Installation

The stable version is available at CTAN.

Usage

Stable version

Just place

  \usepackage{switch}

in the preamble and compile away.

Contacting Author

For bug reports and enhancement suggestions, the preferred way is to use the project's issue page. Please be ready to provide an example code showing the bug, if any.

Please do not use the issue page for generic help on how to use the package.

• git: https://github.com/alceu-frigeri/switch

Copyright 2025-present by Alceu Frigeri

This work may be distributed and/or modified under the conditions of

• The LaTeX Project Public License, version 1.3c (or later), and/or
• The GNU Affero General Public License, version 3 (or later)

This work has the LPPL maintenance status maintained.

The Current Maintainer of this work is Alceu Frigeri

## This work consist of the files

• switch.sty
  • the package itself

• README.md (this file)
  • quick introduction

• switch.tex
• switch.bib
  • package documentation
• switch.pdf
  • documentation in PDF format

————-

Change log

• Version 1.1a (this)
  • Documentation typos.

• Version 1.1
  • Documentation: added a more advanced example.
    • added a set of commands to test the existence and undefine switches.

• Version 1.0
  • Initial setup.