To cite package ‘functional’ in publications use:

Danenberg P (2026). functional: Curry, Compose, and Other Higher-Order Functions. R package version 0.7, https://github.com/klutometis/r-functional.

Corresponding BibTeX entry:

  @Manual{,
    title = {functional: Curry, Compose, and Other Higher-Order
      Functions},
    author = {Peter Danenberg},
    year = {2026},
    note = {R package version 0.7},
    url = {https://github.com/klutometis/r-functional},
  }