[R-pkg-devel] How do I tell which alt-rep methods need to be implemented?

[Travers Ching]

Greetings,

I have a package with alt-rep strings and I just learned from a bug report
that the "set_elt" method is required based on an interaction with another
package.

Error: "ALTSTRING classes must provide a Set_elt".

Previously, I thought this function wasn't necessary to implement, based on
my reading of the tutorial by Romain Francois.  I searched for
documentation and looked at the header file, but I couldn't determine which
methods are required.  Could someone point me in the right direction?

Best,
Travers

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