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新手发问超简单问题,目前还处于研读范例码的阶段,边测边看结果来理解程序
$ k" a/ x# i; u2 z3 o其中有一段如下, |4 H8 h/ O$ R. O- T
ask turtles with [ infected? = true ]
' G& K5 E, }, d A9 f我原本以为这句会回传『所有』infected? = true 的 turtle7 _( `: H9 D0 Q. y. R& A' Q
但看结果似乎不是这样。' L3 Z4 L7 q! F! s! g# o
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假设所有符合条件的有 5 笔
. H7 f7 a3 l/ H& f* {1 ^& K有时候回传 1 笔,有时回传 3 笔,是不固定的
5 n% c/ z7 J U5 ` U% A5 L) g回头查语法定义8 }( p, y4 q$ E5 K( A) _6 }
with
3 j' Q% q; L2 }8 U: \. jagentset with [reporter]! e& I) G, Z, i' }4 W2 H Z
Takes two inputs: on the left, an agentset (usually "turtles" or "patches"). On the right, a boolean reporter. Reports a new agentset containing only those agents that reported true -- in other words, the agents satisfying the given condition.
$ b2 y% K7 B; V. e) L# H7 X. |0 s8 l它只说回传 agents satisfying the given condition
$ m( |! q7 A, M! \) u是否 with 回传的是『符合条件』的数据,而不是『所有符合条件』的数据 ?
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想确定一下
% ~9 C5 b$ z: i: D# K/ N0 ]谢谢!
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