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maybe 1.0.0

CRAN release: 2022-05-28


  • maybe_map2 Evaluate a binary function on two maybe values
  • maybe_case Unwrap and call a function on a maybe value or return a default
  • from_just Unwrap a ‘Just’ value or throw an error
  • filter_justs Filter and unwrap a list of ‘Just’ values
  • filter_map Map a function over a list and filter only ‘Just’ values

maybe 0.2.1

CRAN release: 2022-03-11

Internal changes

  • Now doesn’t require R >= 4.1

maybe 0.2.0

CRAN release: 2022-02-11

Major breaking changes

  • Function named map_maybe changed to maybe_map
  • Function named flatten_maybe changed to maybe_flatten


  • maybe_contains checks if a maybe value contains a specific value
  • maybe_equal checks if two maybe values are identical

maybe 0.1.0

CRAN release: 2022-01-27

Initial version