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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
5 x% V& c5 x2 S' {% ]% `; o其中有一段如下' z4 C, K6 S/ f6 a
ask turtles with [ infected? = true ]
- H$ l$ y+ p6 j W- q1 f1 a. {4 p我原本以为这句会回传『所有』infected? = true 的 turtle
+ U/ K a6 R7 }/ k& E; J但看结果似乎不是这样。0 ]$ z" b! B) |7 T# e, y# _1 T
7 T. a8 q1 \& o+ ?3 `假设所有符合条件的有 5 笔
: O, y! q) Z+ |% \5 e有时候回传 1 笔,有时回传 3 笔,是不固定的: }9 s: o* k6 ]- Y4 s3 }: Q
回头查语法定义2 m1 v6 \* g( u6 `
with 6 v9 w7 @: s0 G6 A' Q1 A* ^
agentset with [reporter]
( \ F4 k3 k" K/ E$ 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., W! Z) p/ j3 P. d
它只说回传 agents satisfying the given condition
1 r* t( N& b4 Y7 b+ d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 ?
+ h! K' C" m, I3 `9 u1 I% U9 r9 {9 C% V( A: `6 j/ ]2 _* q
想确定一下! s8 K/ r4 b" k% A. a) Q
谢谢! `, X0 t: F0 \3 ^
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