class SafeIterator[+T] extends AnyRef
SafeIterator
places a simple stream on top of an iterator,
returning Option
-wrapped instances from the underlying iterator.
When the stream is exhausted, the Iterator
stream returns
None
. Differences from a plain Iterator
include:
- An SafeIterator
will not throw an exception if you try to read
past the end of it. Instead, it will just keep returning None
.
Example of use with a string:
import grizzled.parsing.SafeIterator val s = ... val istream = new SafeIterator[Char](s.elements)
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next: Option[T]
Get the next item from the stream, advancing the cursor.
Get the next item from the stream, advancing the cursor.
- returns
an
Option
containing the next item, orNone
if the iterator is exhausted.
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