How to convert a string to a function in Clojure?

Question

I\'ve been working on Clojure question 135 Infix Calculator, basically a simplified infix to prefix arithmetic calculator:

(= 7  (__ 2 + 5))

I

Answer 1

you can use load-string or read-string. That's something like READ-FROM-STRING in common lisp, which adhere to the principle of 'Code is Data', treats the string as codes - evaluate and return the value.

user=> (class (load-string "+"))
clojure.core$_PLUS_
user=> (read-string "+")
+
user=>

then you can simply use it.

Answer 2

Look at the resolve function

((resolve (symbol "+")) 1 2)