Re: [std-proposals] istream_iterator delimiter(s)

[David Krauss]

On 2014–04–11, at 3:22 PM, Jeaye Wilkerson <con...@jeaye.com> wrote:

The new second parameter (optional) for the istream_iterator constructor represents a collection of all delimiter chars. This would default to all whitespace characters.

Defaulting to all whitespace characters would mean that istream_iterator<string> would by default return only a single string before quitting. Making the argument optional would break all existing istream_iterator<string> code.

istream_iterator is not really suitable for parsing because it doesn’t have state besides the single character of putback guaranteed by streambuf.

Such a proposal might have a better chance with an implementation. You could probably achieve this by inheriting from istream_iterator. Perhaps even build a real parser around it too. It’s up to you though.