Add a function that prepends a value to an iterator. This should be a simple wrapper around concat() such that:
prepend(iterable, x) == concat([x], iterable)
With this change, it should be possible to rewind the last value while performing takeWhile() (see #2)
Add a function that prepends a value to an iterator. This should be a simple wrapper around
concat()such that:With this change, it should be possible to rewind the last value while performing
takeWhile()(see #2)