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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# q! i2 V. M3 T' i) ~5 V
其中有一段如下% T+ m( W1 k3 p; ^' T, B5 \# T
ask turtles with [ infected? = true ] , G" C# t) }3 u% P
我原本以为这句会回传『所有』infected? = true 的 turtle
3 `/ L- M; j* {9 L% J但看结果似乎不是这样。. E5 e6 \& b* ^8 U% Q
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假设所有符合条件的有 5 笔; d; ]5 P: ~9 E
有时候回传 1 笔,有时回传 3 笔,是不固定的
( T- ]2 Z, Z: R2 }1 o1 B回头查语法定义
6 J2 w" b" q* E8 M- w* @with
' [0 J8 d& O% ]agentset with [reporter]
9 o+ {! m$ P9 F/ t) [; y9 b5 q. f+ dTakes 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.2 z- F% e7 a, O. ^% D) m
它只说回传 agents satisfying the given condition1 `! U& v/ u) s
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 ? 0 M% t- Q) f$ ~3 A3 X5 X
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想确定一下
+ V7 f2 n# [; K4 Q谢谢!
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