Rebol 编程/swap
外观
< Rebol 编程
SWAP series1 series2
交换系列的元素。(修改)
SWAP 是一个函数值。
- series1 -- (类型:系列)
- series2 -- (类型:系列)
swap: func [ "Swaps elements of a series. (Modifies)" series1 [series!] series2 [series!] ][ unless any [empty? series1 empty? series2] [ poke series1 1 also pick series2 1 poke series2 1 pick series1 1 ] series1 ]