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A comment on Thinking in React Hooks. Parent comment

Re:Thinking in React Hooks by steve_taylor on Saturday December 14, 2019 @03:55AM (#21788530)
I had no idea the setter can take a function instead of a value. It makes perfect sense, because setState has the same feature. TIL.
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Re:Thinking in React Hooks by acemarke on Saturday December 14, 2019 @08:56PM (#21793935)
FWIW, it's documented in the API reference:

https://reactjs.org/docs/hooks-reference.html#functional-upd...

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