dmitriz

    cljs.user=> (defmacro swap [x] (list (second x) (first x) (last x)))
    #'cljs.user/swap
    cljs.user=> (swap (1 + 2))
    Execution error (Error) at (<cljs repl>:1).
    1.call is not a function

    swap = (x,y,...rest) => [y,x,...rest]