To cite package ‘opt’ in publications use:

Fabri A (2023). opt: Set Options Conveniently. R package version 0.0.0.9000, https://github.com/moodymudskipper/opt.

Corresponding BibTeX entry:

  @Manual{,
    title = {opt: Set Options Conveniently},
    author = {Antoine Fabri},
    year = {2023},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/moodymudskipper/opt},
  }