问题描述
我正在尝试遍历称为max-links的链接列表(这意味着每个项目都有两个参数),我已经通过以下代码实现了这一点:
ask item counter max-links
[
ask end1 [ask my-out-links with [not member? self keep] [die]]
ask end2 [ask my-in-links with [not member? self keep2] [die]]
set counter counter + 1
]
但是我试图用foreach命令编写它,并且我认为它同时在所有end1和end2上执行。我希望函数在界面上按它的按钮时一次遍历每个项目。 这是我用foreach命令编写的代码
foreach max-links
[
[a] ->
[
ask [end1] of a [ask my-out-links with [not member? self keep] [die]]
ask [end2] of a [ask my-in-links with [not member? self keep2] [die]]
set max-links-update sort-on [(- label)] link-set [max-one-of my-out-links [label]] of turtles
show max-links-update
]
]
解决方法
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