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Re: Strings, one last detail.

This page is part of the web mail archives of SRFI 50 from before July 7th, 2015. The new archives for SRFI 50 contain all messages, not just those from before July 7th, 2015.

On Sat, 31 Jan 2004, Tom Lord wrote:

>    Bear wrote:
>    > We need to warn them of this because the write-through question is not
>    > possible to solve just one way or the other.  Explicitly supporting
>    > direct write-through mutation is in fact not even possible for
>    > implementations that must provide SCHEME_EXTRACT_STRING by means of
>    > copying/translating some other internal representation,
>The lock/unlock pattern can solve it -- not in the general case but in
>a useful way -- and is quite portable.

This is true -- but impossible within the context of the current draft of
the SRFI because there is no call to hang the unlock() method on.