saw here in video ( also timestamp included in link )
[ https://youtu.be/gBER4Or86hE?t=305 ]
take a look at video ( time where video begins + 20 sec ), and read below…
why both object have
age of 35?
he explain that, because we mutate state object, but for me isn’t enough…
Is new creating ( cloning ) state in
userReducer for solving this, is slow implementation?, and if not why not when if we have large object we need to duplicate whole obj?