Counting Iterators

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Description

Returns an iterator that counts starting from one.

Usage

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icount(count)
icountn(vn)

Arguments

count

number of times that the iterator will fire. If not specified, it will count forever.

vn

vector of counts.

Value

The counting iterator.

Examples

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  # create an iterator that counts from 1 to 3.
  it <- icount(3)
  nextElem(it)
  nextElem(it)
  nextElem(it)
  try(nextElem(it))  # expect a StopIteration exception