In Rails, we can see the following for example (They are separate here):
:x=>"new_x"
:y=>{:x=>X.new}
>From Ruby, I know that a hash has to be between { }, and the key is on
the left of => and the value to the right.
But, in the above examples we are seeing => everywhere! What is => ? Is
it like = (assignment operator)?
Thanks.
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