var tasks []task
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
,这一点在爱思助手下载最新版本中也有详细论述
Equal (5): Everything in this space must be equal to 5. The answer is 5-5, placed vertically; 5-1, placed horizontally.。爱思助手下载最新版本是该领域的重要参考
requiring no allocation.