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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.lang.scheme
Subject: Re: on call by reference
Date: Thu, 21 Mar 2024 21:12:36 -0000 (UTC)
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On Thu, 21 Mar 2024 18:08:12 +0000, Chris Vine wrote:

> ... but for mutable entities it behaves like call by reference ...

This has already been discussed. Only parts of the passed entity can be 
mutated this way, it cannot be replaced with another complete entity as 
far as the caller is concerned. Thus, it is still “call by value”.