Re: Should we be touching goops?

[Jean Abou Samra]

Le 05/06/2022 à 14:36, David Kastrup a écrit :
> Something like ly:moment-add has fewer implied semantics than + .  Not
> just for humans (who expect + to be more-or-less commutative and
> associative even though the latter is only approximately the case with
> floating point arithmetic) but even for Scheme which extends a two-term
> definition of + into + with an arbitrary larger amount of summands.

Wouldn't the same concerns apply on the C++ side, though?
I mean, Moment already implements operator+ etc., and C++
understands a + b + c as (a.operator+(b)).operator+(c).
How would the C++ side of things be refactored if a distinction
between points of time and time spans is introduced?

Jean