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Hang when dealing with some pieces of code #738

@linkpy

Description

@linkpy
(register-type MyType)

(defmodule MyType
  (register init (Fn [] MyType))
  (register delete (Fn [&MyType] ()))
  (register copy (Fn [&MyType] MyType))
)

(deftype MyWrapper [inner MyType])

(defmodule MyWrapper
  (defn delete [w]
    (MyType.delete (MyWrapper.inner &w))))

(defn main []
  (let [v (MyWrapper.init (MyType.init))]
    (IO.println "in let")))

This code, when doing (load "test.carp") hangs and consume all of my memory (16Gb). But, if i do (MyType.delete (MyWrapper.inner w)) (removing the &) then it loads correctly.

I have no idea how i can debug this (i have no knowledge of Haskell) so don't hesitate to ask for more info.

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