the *type* of the boolean value **true**
Use std::true for constants in your programs (not std_types::true).
Use std_types::true to add new functionality to the true-type.
| std_types::object | the prototype object for all "normal" objects |
| std_types::false | the *type* of the boolean value **false** |
| std::true | the boolean value "true" |
| std::is_a_boolean | obvious |
| std::not | returns false |
| std::and | evaluates its second argument and returns its result |
| std::equal | is only equal to itself |
| std::if | evaluates the then-part and returns its result(s) |
| std::if_not | evaluates the else-part and returns its result(s) |
| std::on | performs the specified action |
| std::on_not | does not perform the specified action |
| std::or | returns |
| std::serialize | returns the string " |
| std::update_if | updates the specified variable(s) |
| std::update_if_not | does not update the specified variable(s) |