Running examples in 'mverse-Ex.R' failed
The error most likely occurred in:

> ### Name: add_branch_condition
> ### Title: Add branch conditions to a 'mverse' object.
> ### Aliases: add_branch_condition add_branch_condition.mverse
> 
> ### ** Examples
> 
> # Define branches and add them to an \code{mverse} object.
> y <- mutate_branch(alldeaths, log(alldeaths + 1))
> distribution <- family_branch(poisson, gaussian)
> # You can match branching options by providing the options
> # the way provide them when defining branches.
> match_poisson <- branch_condition(alldeaths, poisson)
> mv <- mverse(hurricane) %>%
+   add_mutate_branch(y) %>%
+   add_family_branch(distribution) %>%
+   add_branch_condition(match_poisson)
Error in `mutate()`:
ℹ In argument: `.results = .res`.
Caused by error:
! `.results` must be size 1, not 2.
Backtrace:
     ▆
  1. ├─... %>% add_branch_condition(match_poisson)
  2. ├─mverse::add_branch_condition(., match_poisson)
  3. ├─mverse::add_family_branch(., distribution)
  4. ├─mverse:::add_family_branch.mverse(., distribution)
  5. │ └─mverse:::add_branch(.mverse, brs, nms)
  6. │   └─mverse:::reset_parameters(.mverse)
  7. │     └─multiverse::inside(.mverse, orig <- attr(.mverse, "source"))
  8. │       └─multiverse::execute_universe(multiverse)
  9. │         ├─multiverse::expand(multiverse)
 10. │         └─multiverse:::expand.multiverse(multiverse)
 11. │           ├─dplyr::select(...)
 12. │           ├─dplyr::mutate(...)
 13. │           └─dplyr:::mutate.data.frame(...)
 14. │             └─dplyr:::mutate_cols(.data, dplyr_quosures(...), by)
 15. │               ├─base::withCallingHandlers(...)
 16. │               └─dplyr:::mutate_col(dots[[i]], data, mask, new_columns)
 17. │                 └─mask$eval_all_mutate(quo)
 18. │                   └─dplyr (local) eval()
 19. ├─dplyr:::dplyr_internal_error(...)
 20. │ └─rlang::abort(class = c(class, "dplyr:::internal_error"), dplyr_error_data = data)
 21. │   └─rlang:::signal_abort(cnd, .file)
 22. │     └─base::signalCondition(cnd)
 23. └─dplyr (local) `<fn>`(`<dpl:::__>`)
 24.   └─rlang::abort(message, class = error_class, parent = parent, call = error_call)
Execution halted