R: Vignettes and other documentation

# Vignettes and other documentation

## Vignettes from package 'iterors'

iterors::categories |  | Index of `iteror` functions by task | HTML | source |
iterors::cross-reference |  | Cross reference from iterarors/itertools to iterors | HTML | source |
iterors::iterors |  | Using the `iterors` package | HTML | source | R code
iterors::README |  | The iterors package: Fast, compact iterators and tools | HTML | source | R code
iterors::writing |  | Writing Custom Iterators | HTML | source | R code