In this case, when I use “(state) => {return {count:state.count+1}}”, it turns out wrong, and when I use “(state) => ({count:state.count+1})” it turns out right, but sometimes in another case, it works well, what happened, anyone can help me with this?
Please post your actual code instead of a picture. Thanks.
() => {} is used to enclose the statements of a function just like in a regular function.
() => () is used when you need to pass a single object from a function as its return value.
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