Alaric B. Williams
Fri, 16 May 1997 20:27:12 +0000
> If you must have immutable things I encourage some function which
> makes an existing object immutable, possibly recursively through
Why not the other way around - the default type is immutable, as you say,
but you can cast to mutable?
With linear logic, this would be a winner, since the returned value could only
be used once. If we turn it mutable and then stick it in a binding so it can
be read lots, that'd work, since the now-mutable object isn't expected to
be immutable anywhere else. No copying needed.
Alaric B. Williams (email@example.com)
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