Hi,

I want to pass Java objects to a piece of code via let and then get it 
evaluated with eval.

An minimal example:

(ns eval
  (:import (java.time LocalDate)))

(let [v ['S (String. "ab")]
      f '(.length S)]
  (eval `(let ~v ~f)))

; => 2

(let [v ['D (LocalDate/of 2017 03 30)]
      f '(.getYear D)]
  (eval `(let ~v ~f))))

; => CompilerException java.lang.RuntimeException: Can't embed object in code, 
maybe print-dup not defined: 2017-03-30


The first example with String works fine and is what I want to do.


But if I transfer the example to other Java classes, for example LocalDate I 
get an error, see the second example.


Can anybody help?


Kind regards,

Burt

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