Testing how to work with functions in a shell script

working_with_functions_in_bash.sh

#!/usr/bin/env bash

function this_and_that_are_equals () {
  this="me"
  that="you"
  
  if [ $this = $that ]; then
    return 0
  else
    return 1
  fi
}

echo "Working with functions"
echo "----------------------"

if this_and_that_are_equals; then
  echo "-> this and that are the same thing"
else
  echo "-> this and that are different"
fi