Re: [boost] [patch] first_iterator, second_iterator?

Subject: Re: [boost] [patch] first_iterator, second_iterator?
From: Daniel Colascione (daniel_at_[hidden])
Date: 2010-01-07 16:56:58

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On 1/7/10 6:25 AM, Mathias Gaunard wrote:
> Daniel Colascione wrote:
>> Iterating over the first and second elements of a collection of pairs is
>> a pretty common problem. Would it be possible to get something like the
>> following into boost?
> 
> Isn't that a trivial application of transform_iterator?
> 

Sure, it can be implemented via transform_iterator too. And it is a
trivial application. But it serves two purposes:

1) provides commonly-needed functionality with only a little additional code

2) provides examples for library users
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