deploy: c72f37a40d

api/basic_json/boolean_t/index.md

@@ -10,6 +10,10 @@ The type used to store JSON booleans.
 
 To store boolean values in C++, a type is defined by the template parameter `BooleanType` which chooses the type to use.
 
+## Template parameters
+
+`BooleanType` : the type to store booleans. As it is stored directly inside a `basic_json` value (in a union), it must be a trivially default-constructible, trivially copyable, and trivially destructible type that is convertible to and from `bool`. See [Template Parameter Requirements](https://json.nlohmann.me/features/types/template_parameters/#booleantype).
+
 ## Notes
 
 #### Default type