| 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 |