Importing cli leads to weird downstream errors

[krlmlr]

ropensci/RNeXML#247 (comment)

loadNamespace("RNeXML")
#> <environment: namespace:RNeXML>
unloadNamespace("RNeXML")
#> Error in .mergeMethodsTable(generic, mtable, tt, attach): trying to get slot "defined" from an object of a basic class ("environment") with no slots

^{Created on 2020-04-03 by the reprex package (v0.3.0)}

Testing requires reinstalling the tibble package!

Changing cli doesn't seem to help, need to double-check (change, reinstall tibble, reinstall RNeXML, test).

Workaround: Remove #' @importFrom cli ...

[krlmlr]

Working around for now, CC @gaborcsardi.

[gaborcsardi]

So what is happening here? I suspect the active binding is causing trouble, but how?

[krlmlr]

I also suspected the active binding but couldn't replicate. Note that you really need to build/install cli and tibble for testing, perhaps also the downstream package if you use that for testing.

On a side note, can we soft-deprecate symbol in favor of cli_symbol(x) which really shouldn't be much slower now that we're using an active binding?

[gaborcsardi]

Lots of packages use symbol, so I would repair this some other way.

[krlmlr]

cli_symbol() was about clarity for new code.

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