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optional  

Optional Types and Pattern Matching
View on CRAN: Click here


Download and install optional package within the R console
Install from CRAN:
install.packages("optional")

Install from Github:
library("remotes")
install_github("cran/optional")

Install by package version:
library("remotes")
install_version("optional", "2.0.1")



Attach the package and use:
library("optional")
Maintained by
Antoine Champion
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2017-07-31
Latest Update: 2022-04-27
Description:
Introduces optional types with some() and none, as well as match_with() from functional languages.
How to cite:
Antoine Champion (2017). optional: Optional Types and Pattern Matching. R package version 2.0.1, https://cran.r-project.org/web/packages/optional. Accessed 21 Jul. 2026.
Previous versions and publish date:
(2026-07-09 06:37), 1.0 (2017-07-31 11:00), 1.1 (2018-05-06 11:07), 2.0 (2018-11-20 13:30)
Other packages that cited optional R package
View optional citation profile
Other R packages that optional depends, imports, suggests or enhances
Complete documentation for optional
Functions, R codes and Examples using the optional R package
Some associated functions: fallthrough . make_opt . match_with . none . opt_unwrap . option . some . 
Some associated R codes: optional.R .  Full optional package functions and examples
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