Keyboard shortcuts

Press ← or → to navigate between chapters

Press S or / to search in the book

Press ? to show this help

Press Esc to hide this help

Macro - increment x by 1

  • macro
macro add_one_to_x
  x += 1
end

x = 1
puts x
add_one_to_x
add_one_to_x
add_one_to_x
puts x