itertools (version 0.1-3)

ihasNext: Create an iterator that supports the hasNext method

Description

ihasNext is a generic function that indicates if the iterator has another element.

Usage

ihasNext(iterable)

Arguments

iterable

an iterable object, which could be an iterator.

Value

An ihasNext iterator that wraps the specified iterator and supports the hasNext method.

Examples

  it <- ihasNext(c('a', 'b', 'c'))
  while (hasNext(it))
    print(nextElem(it))