"Examples of designs that meet most of the criteria for "goodness"
(easy to understand, flexible, efficient) are a recursive descent parser,
which is traditional procedural code. Another example is the STL, which
is a generic library of containers and algorithms depending crucially
on both traditional procedural code and on parametric polymorphism."
—Bjarne Stroustrup
The following article is about tracking the parsing position with Spirit V2. This is useful for generating error messages which tell the user exactly where an error has occurred. We also show how to use Spirit V2 to parse from an input stream without first reading the whole stream into a std::string.
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