user=> (def a (atom 0)) #'user/a user=> (compare-and-set! a 10 20) false user=> @a 0 user=> (compare-and-set! a 0 10) true user=> @a 10
franks42
on Sat, 24 Nov 2012
user=> (def a (atom 0)) #'user/a user=> (compare-and-set! a 10 20) false user=> @a 0 user=> (compare-and-set! a 0 10) true user=> @a 10
yasuto
on Mon, 20 Jun 2011
user=> (def a (atom 0)) #'user/a user=> (compare-and-set! a 10 20) false user=> (compare-and-set! a 0 10) true user=> @a 10