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From: Eric Niebler (eric_at_[hidden])
Date: 2007-04-05 11:47:56


David Abrahams wrote:
>
> Boost.Lambda is just one example of the use of expression templates:
> in a library for generating anonymous function objects. Boost.Spirit
> is an example of the use of expression templates in a library for
> generating parsers. Boost.Xpressive is an example of the use of
> expression templates in a library for building regular expression
> matchers.
>
> Boost.Proto is a library that abstracts out a great deal of the hard
> work the authors of those other libraries have to do. It is a library
> for building libraries that rely on expression templates.

What Dave said. And you might think the target audience of a library
like Proto is vanishingly small, but there's a chicken-and-egg problem
here. Writing an expression template library today is so hard that few
have gone that route. Proto aims to change that.

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com

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