build_functions_df      Build data frame of functions for input to
                        flashcard()
choose_deck             Choose from available flashcard decks
create_deck             Create deck from vector of functions
data_types              Data types deck
extract_code            Extract code blocks from R Markdown or Quarto
                        file
extract_functions       Extract function calls from character vector of
                        R code
flashcard               Create flashcards
list_decks              List available available flashcard decks
vectors                 Vectors deck
