---
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title: Fun - test_rol.fun — overview
subtitle: Documentation for test_rol.fun — overview
description: Documentation for test_rol.fun — overview
permalink: /documentation/examples/test_rol/
lang: en
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---

# test_rol.fun — overview

What it shows
- Bit rotation (ROL) helper/tests.

How to run
- export FUN_LIB_DIR="./lib"
- ./build_debug/fun examples/test_rol.fun
- Or: fun examples/test_rol.fun