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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
1 Z7 P* W/ N+ S# A/ `5 w; U Q0 l其中有一段如下: S3 ?7 p) i: R8 z D) f
ask turtles with [ infected? = true ]
6 |7 K: F5 P4 Z' m我原本以为这句会回传『所有』infected? = true 的 turtle
- ^. G r V2 | y/ a+ L7 J0 ?但看结果似乎不是这样。2 I6 _" }; U& E: \
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假设所有符合条件的有 5 笔 Z" ]8 ?1 ~3 O. s7 t# x
有时候回传 1 笔,有时回传 3 笔,是不固定的
8 o3 }1 [3 F1 h" i$ W8 F8 ^回头查语法定义. c$ s" Y# O0 h' ]$ x
with % l3 A& `3 d& K; Q
agentset with [reporter]9 v) v6 `) v) P& Z2 D# T
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.
7 D( X7 I4 g1 U5 Q2 J它只说回传 agents satisfying the given condition
0 m* G, d4 d: n; D* f/ y- _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! |0 s: V( s! k, j6 ]+ @
谢谢!
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