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using boolean_t = BooleanType;

The type used to store JSON booleans.

RFC 8259 implicitly describes a boolean as a type which differentiates the two literals true and false.

To store objects in C++, a type is defined by the template parameter BooleanType which chooses the type to use.


Default type

With the default values for BooleanType (bool), the default value for boolean_t is bool.


Boolean values are stored directly inside a basic_json type.

Version history

  • Added in version 1.0.0.