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Re: Proposal SUBTYPEP-ENVIRONMENT:NEW-ARGUMENT, Version 1
- To: "Kim A. Barrett" <IIM@ECLA.USC.EDU>
- Subject: Re: Proposal SUBTYPEP-ENVIRONMENT:NEW-ARGUMENT, Version 1
- From: David N Gray <Gray@DSG.csc.ti.com>
- Date: Mon, 9 Jan 89 12:28:57 CST
- Cc: cl-cleanup@SAIL.STANFORD.EDU
- In-reply-to: Msg of Mon 2 Jan 89 17:31:11-PST from Kim A. Barrett <IIM@ECLA.USC.EDU>
- Sender: GRAY@Kelvin.csc.ti.com
> Proposal (SUBTYPEP-ENVIRONMENT:NEW-ARGUMENT)
>
> Extend SUBTYPEP to accept an optional third argument. This argument should be
> either NIL, the &environment argument received by a macro expander function,
> or the environment argument received by an *evalhook* or *applyhook* function.
> This argument is used to distinguish between compile-time and run-time
> environments.
I don't see any point in mentioning *EVALHOOK* environments here since
there isn't any facility for local type declarations comparable to
MACROLET for local macros.