Rebol 程式設計/delta-time

用法

DELTA-TIME block 

描述

Delta-time - 返回評估程式碼塊所需的時間。

DELTA-TIME 是一個函式值。

引數

• block -- (型別：程式碼塊)

原始碼

delta-time: func [
    {Delta-time - returns the time it takes to evaluate the block.} 
    block [block!] /local 
    start
][
    start: now/precise 
    do block 
    difference now/precise start
]