user=> (def foo 1) #'user/foo user=> foo 1 user=> (ns-unmap 'user 'foo) ; explicit nil user=> (ns-unmap *ns* 'foo) ; convenient nil user=> foo "Unable to resolve symbol: foo in this context"
user=> (def foo 1) #'user/foo user=> foo 1 user=> (ns-unmap 'user 'foo) ; explicit nil user=> (ns-unmap *ns* 'foo) ; convenient nil user=> foo "Unable to resolve symbol: foo in this context"
user=> (def foo 1) #'user/foo user=> foo 1 user=> (ns-unmap 'user 'foo) nil user=> foo "Unable to resolve symbol: foo in this context"