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redux-logger 里面这个 predicate,是一种注释型的写法吗
NonClockworkChen
·
Dec 7, 2017
· 1901 views
This topic created in 3254 days ago, the information mentioned may be changed or developed.
createLogger({ predicate: (getState, action) => __DEV__ });
重点就是(getState, action) => __DEV__
predicate
dev__
getstate
action
3 replies
•
2017-12-07 19:46:03 +08:00
tsunli
Dec 7, 2017
1
传入的参数对象的字段 predicate 应该是个函数,默认是(getState, action) => __DEV__.
tsunli
Dec 7, 2017
2
(getState, action) => __DEV__.
箭头函数
相当于 function (getState, action){ __DEV__ }
NonClockworkChen
OP
Dec 7, 2017
3
@
tsunli
我明白箭头函数,我只是不明白
(getState, action) => __DEV__. 与
()=> __DEV__有什么区别,
里面的两个参数没有用到,我唯一想到的可能性是代码本身充当注释
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