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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
& p7 ?! \2 Z4 {! k Q; M3 Z ^其中有一段如下* u4 Z# ~# x8 t% V4 {
ask turtles with [ infected? = true ]
+ m3 ^6 i" P; `& c7 ]我原本以为这句会回传『所有』infected? = true 的 turtle" Y; }3 J- V- g6 B. N
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: Z, W: d2 R# `9 K
有时候回传 1 笔,有时回传 3 笔,是不固定的
6 Z1 R1 v+ r) r! j, `7 ?; n回头查语法定义4 j' U) @. y( F8 v3 ^( q0 n% L) ]' \
with
& H$ F. a9 P) j: s( L4 p3 m; J5 magentset with [reporter]
* M o4 Z! [& v- BTakes 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.
' K, v3 E' f2 c6 L2 [它只说回传 agents satisfying the given condition
M9 u2 H! Y: P4 I" z; {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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1 A% z3 x/ t% ]# ?) f4 D想确定一下
# p8 }" G% V A1 U" U1 k O5 ^谢谢!* T6 u( f' }: ^
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