Fwd: Small Proposal "!in"

Mike Samuel mikesamuel at gmail.com
Wed Jul 18 15:21:49 UTC 2018

[sorry dropped group]

On Fri, Jul 13, 2018 at 11:36 AM <alexander at debenclipper.com> wrote:

> This may be a silly idea that doesn't come naturally to others, but the
> first thing I thought of was "!n", where the "!" represents a flipped
> "i", so the inverse of in.

You'd need yet another restricted production which would make infix `in`
but the negation restricted.

x  // no semicolon inserted
in (obj)

x  // semicolon inserted
!n (obj)

Not a blocker, but worth keeping in mind.
I also have to look hard at them to distinguish.
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