iapply                  Array/Apply Iterator
icount                  Counting Iterators
idiv                    Dividing Iterator
iread.table             Iterator over Rows of a Data Frame Stored in a
                        File
ireadLines              Iterator over Lines of Text from a Connection
irnorm                  Random Number Iterators
isplit                  Split Iterator
iter                    Iterator Factory Functions
iterators-package       The Iterators Package
nextElem                Get Next Element of Iterator