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Opened 9 months ago

Last modified 9 months ago

#12817 new Bugs

Too strong iterator requirements in qi::parse and qi::phrase_parse

Reported by: yegor.derevenets@… Owned by: Joel de Guzman
Milestone: To Be Determined Component: spirit
Version: Boost 1.63.0 Severity: Problem
Keywords: Cc:

Description

qi::parse and qi::phrase_parse currently check that the provided iterator type implements ForwardIterator? concept. This seems to be a stronger check than necessary. In particular, ForwardIterator? requires that *it returns a reference, which does not seem to be needed by the parsing functions.

I propose to replace the check with the check that the iterator type implements ReadableIterator? and SinglePassIterator? concepts.

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comment:1 Changed 9 months ago by yegor.derevenets@…

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