conv_error.md

jsoncons::conv_error

#include <jsoncons/conv_error.hpp>

jsoncons::conv_error defines an exception type for reporting type conversion failures.

std::exception

Constructors

conv_error(std::error_code ec);

conv_error(std::error_code ec, const std::string& what_arg);

conv_error(std::error_code ec, const char* what_arg);

conv_error(const conv_error& other);

conv_error(conv_error&& other);

Member functions

const char* what() const noexcept final

Returns an error message

Inherited from std::system_error

const std::error_code code() const noexcept

Returns an error code for this exception

Example

#include <jsoncons/json.hpp>
#include <iostream>

int main()
{
    try
    {
        jsoncons::json j(10);
        auto sv = j.as<std::string_view>();
    }
    catch (const jsoncons::conv_error& e)
    {
        std::cout << e.what() << "\n";
    }
}

Output:

Cannot convert to string