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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
t. b# \; L; F5 Z& c) \- g0 l其中有一段如下
) B7 W& R2 ?8 Nask turtles with [ infected? = true ]
4 r% `' L* z4 X& L$ D我原本以为这句会回传『所有』infected? = true 的 turtle* t8 N" f) A3 J. c% G$ T! z6 i
但看结果似乎不是这样。) ?$ w! u8 c) t0 Q) c( k
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假设所有符合条件的有 5 笔
# b1 y0 F% M/ e) h有时候回传 1 笔,有时回传 3 笔,是不固定的( p* c: D$ F! ]
回头查语法定义/ Y: ~; w2 a9 X# u Z" F2 C/ D6 {
with
6 v2 b+ U* p. `3 M8 i! ]agentset with [reporter]
2 d. S5 B, }$ P- w5 ^; ETakes 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." S1 Q* f* }8 B8 B$ c3 r' L
它只说回传 agents satisfying the given condition
% b1 _8 ^# C2 Y9 e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 ~: W3 x9 w; J; e! S- P/ B, m4 w
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想确定一下0 T0 k1 P3 _# `% B7 Y
谢谢!% a/ i0 s5 ~9 w$ @# c
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