Hi,
Here is the question on differences between with-meta and #^
Specifically 1) and 2) are different in that 1) has meta info carried
over
to jumping-wubbie, while 2) has not.
What's the rationale behind this?
user=> (def wubbie {:name "Wubbie" :email "[email protected]"})
#'user/wubbie
user=> wubbie
{:name "Wubbie", :email "[email protected]"}
user=> ^wubbie
nil
user=> (def jumping-wubbie (with-meta wubbie {:jumping true})) ;; 1)
meta info set
#'user/jumping-wubbie
user=> ^jumping-wubbie
{:jumping true}
user=> (def jumping-wubbie2 #^{:jumping true} wubbie) ;; 2) meta inof
not carried over
#'user/jumping-wubbie2
user=> ^jumping-wubbie2
nil
Thanks
Sun
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