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coolshell.cn
12 年
函数式编程
函数式编程的三大特性: immutable data 不可变数据:像Clojure一样,默认上变量是不可变的,如果你要改变变量,你需要把变量copy出去修改。这样一来,可以让你的程序少很多Bug。因为,程序中的状态不好维护,在并发的时候更不好维护。(你可以试想一下如果你 ...
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今日热点
Says Trump aides targeted
Evacuated from WH dinner
Trump cancels envoys’ trip
OT Smith to retire from NFL
‘The Ronettes’ member dies
Former US senator dies at 88
Powerful quake strikes Japan
TAMU Texarkana runner dies
Syria opens Assad-era trial
Trump fires NSB members
WHCA dinner to be rescheduled
CA voter ID measure qualifies
Faces murder charges
Students avert bus crash
Former ID governor dies
NBA fines Jokic, Randle
Indiana University shooting
To appear on '60 Minutes'
Six Swiss passengers injured
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Biopic hits $217M globally
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FIFA to raise prize money
Chicago hospital shooting
Red Sox fire Cora, 5 coaches
Mali's defence minister killed
Conmy dies in plane crash
Iran’s FM returns to Pakistan
Northern Ireland car explosion
Herzog holds off pardon
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