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Re: Should we be touching goops?

From: Dan Eble
Subject: Re: Should we be touching goops?
Date: Fri, 3 Jun 2022 07:57:47 -0400

On Jun 2, 2022, at 20:32, David Kastrup <> wrote:
> #(define-method (+ (a <Moment>) (b <Moment>)) (ly:moment-add a b))
> #(define-method (- (a <Moment>) (b <Moment>)) (ly:moment-sub a b))

Could we also introduce a distinction in type between points and spans of time? 
 "Measure 12 minus Measure 8" is 4 measures, but it is not Measure 4; and 
"Measure 12 plus Measure 8" is not a thing.

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