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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 p. J# P6 c* `- k8 _/ t
其中有一段如下8 s. n7 X# ^, s, e! k
ask turtles with [ infected? = true ] ]2 d4 N( t0 r3 G' x) M
我原本以为这句会回传『所有』infected? = true 的 turtle3 O" f7 U0 I: [% x, I2 g
但看结果似乎不是这样。, A4 _: J$ @4 }6 Y* B/ a- @$ K" Y
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假设所有符合条件的有 5 笔
' z2 t1 ^7 V# v& K- c$ G$ O有时候回传 1 笔,有时回传 3 笔,是不固定的
% ^" u; j8 B% R( N回头查语法定义
6 e$ c; D2 S* s$ K+ c9 w' Dwith 8 \* X% q7 L, C, x0 Q
agentset with [reporter]
8 B1 n3 Z2 A' W5 W8 c# gTakes 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.
$ B) r3 b k( k' z, J- _8 g它只说回传 agents satisfying the given condition
1 G R5 n; m: g3 x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 ? 4 ~, O- ]0 p2 {7 k- s9 J
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想确定一下3 e1 S \3 \. R6 w! \7 C
谢谢!* c. p9 w5 h! N6 F. \6 p0 d
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