Function etag_list

Function etag_list_matches

boost::taar::etag_list_matches — Evaluate an If-Match / If-None-Match field value against current.

Synopsis

// In header: <boost/taar/core/entity_tag.hpp>


bool etag_list_matches(std::string_view field, std::string_view current, 
                       bool weak);

Description

Parameters:

`field`	The field value: `*` or a comma-separated list of entity tags.
`current`	The current representation's entity tag as sent in `ETag` (with quotes, optionally `W/`).
`weak`	Use weak comparison (`If-None-Match`) instead of strong (`If-Match`).

Returns:

True if the field is * or any listed tag matches. A malformed list (or a malformed current) never matches.