Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is an older version of Boost and was released in 2024. The current version is 1.90.0.

kind

kind

Constants for identifying the type of a value.

Synopsis

Defined in header <boost/json/kind.hpp>

enum class kind
    : unsigned char;

Values

Name	Description
`null`	The null value.
`bool_`	A `bool`.
`int64`	A `std::int64_t`
`uint64`	A `std::uint64_t`
`double_`	A `double`.
`string`	A `string`.
`array`	An `array`.
`object`	An `object`.

Description

These values are returned from value::kind

Convenience header <boost/json.hpp>