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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/ O! W, G( v/ M: o# Q5 @0 u
其中有一段如下
- G+ r) D3 b ]* Y8 A6 [ask turtles with [ infected? = true ]
6 n5 b1 B+ Z; d! {4 S我原本以为这句会回传『所有』infected? = true 的 turtle: p: k+ h5 z3 {, t$ e
但看结果似乎不是这样。
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假设所有符合条件的有 5 笔
" a# t: @! C4 ^有时候回传 1 笔,有时回传 3 笔,是不固定的
! p8 Q0 @! m$ u4 {3 r2 b* H回头查语法定义4 O5 b# z1 A9 y4 a% m
with 8 p) G% T+ `$ `* H$ I% |" c" h( N
agentset with [reporter]
8 u7 m# f5 }* D0 X) \' LTakes 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.
/ ~" V5 r& J$ ?' u5 Z+ O它只说回传 agents satisfying the given condition5 _( {# x+ M* ]* 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 ? ; _" S, m( W" |4 r' p
5 R$ F" [# O9 y) Z: F8 c5 u想确定一下
5 i$ _4 R7 a' U9 X谢谢!8 ^1 H0 I; x1 b$ V2 _
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