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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2 b; Z) z- a3 k: L9 D. r4 f
其中有一段如下
6 ^8 `6 i+ ^' j1 g7 u. f/ {; n2 Fask turtles with [ infected? = true ] + f9 V: O1 @0 f* t
我原本以为这句会回传『所有』infected? = true 的 turtle0 o2 x( g/ ]) J
但看结果似乎不是这样。$ x7 C, ]' x) U& z# D5 T
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假设所有符合条件的有 5 笔
6 g( a; T/ K% ^1 W5 D' E有时候回传 1 笔,有时回传 3 笔,是不固定的
& \+ K- k5 B7 x. [" @; c回头查语法定义
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agentset with [reporter]
! q; D0 w% B RTakes 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.
3 W6 b- ^( K& e$ j1 Q" I: c) m! y它只说回传 agents satisfying the given condition
^2 {( q- U c/ E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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' Z1 z8 S5 D& j想确定一下
2 t' `4 K8 S8 v* ^7 p7 C谢谢!
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