variant.hpp File Reference

Table of Contents

• Namespaces
• Functions
• Detailed Description

Ineffective but generic parser for std::variant type. More...

#include <optional>
#include <typeinfo>
#include <variant>
#include <userver/compiler/demangle.hpp>
#include <userver/formats/parse/to.hpp>

Include dependency graph for variant.hpp:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
namespace	formats
	Value formats representation, parsing and serialization.
namespace	formats::parse
	Generic parsers and converters.

Functions
template<typename ParseException , typename Variant , typename TypeA >
void	formats::parse::ThrowVariantAmbiguousParse (const std::string &path, std::type_index type_b)
template<class ParseException , typename Variant >
void	formats::parse::ThrowVariantParseException (const std::string &path)
template<class Value , typename... Types>
std::variant< Types... >	formats::parse::Parse (const Value &value, formats::parse::To< std::variant< Types... > >)

Detailed Description

Ineffective but generic parser for std::variant type.

Parsing is performed for each of the N alternatives in variant, N-1 exceptions is thrown and caught during the parsing.

Definition in file variant.hpp.