boost::urls::grammar::delim_rule
Match a single character from a character set
Synopsis
Declared in header <boost/url/grammar/delim_rule.hpp>
template<class CharSet>
constexpr
implementation-defined
delim_rule(CharSet const& cs) noexcept;Description
This matches exactly one character which
belongs to the specified character set.
The value is a reference to the character
in the underlying buffer, expressed as a
core::string_view. The function
squelch
may be used to turn this into void instead.
If there is no more input, the error code
error::need_more
is returned.
using value_type = core::string_view;Rules are used with the function
parse .
system::result< core::string_view > rv = parse( "X", delim_rule( alpha_chars ) );See Also
alpha_chars , parse , squelch .