# shorthand

### #(exp)

\#(exp) is shorthand for a function with one expression in the body

<code clojure>
#(print "hello") ; (fn [] (print "hello"))
</code>


<code clojure>
#(print %2 %1) ; (fn [a b] (print b a))
</code>

### #{value}

\#{value} is shorthand for a hash set

<code clojure>
#{5 2 "hi" 5}
(has-set 5 2 "hi" 5)
</code>

### #'

\#' is shorthand for the [[var]] special form

<code clojure>
#'x. ; (var x)
</code>

### ^symbol

`^symbol` is shorthand for ^{:tag symbol}

<code clojure>
^foo   ; ^{:tag foo}
</code>

### ^keyword

`^keyword` is shorthand for ^{keyword true}

<code clojure>
^:foo   ; ^{:foo true}
</code>