exercise_2_4::cpp20 Namespace Reference

Encapsulate solution for Exercise 2-4 (C++20). More...

Classes
struct	type_descriptor
	Print (a limited set of) data-types. More...

Functions
template<typename T >
consteval T *	error_unhandled_type ()
	Produce a compile-time failure for an "unhandled" type.
template<typename T >
std::ostream &	operator<< (std::ostream &os, type_descriptor< T > const &)

Detailed Description

Encapsulate solution for Exercise 2-4 (C++20).

Function Documentation

error_unhandled_type()

template<typename T >

consteval T * exercise_2_4::cpp20::error_unhandled_type

(

)

Produce a compile-time failure for an "unhandled" type.

The purpose of this is to induce a compilation error that indicates the type (T) that was not handled in the constexpr-if cases for operator<<.

Template Parameters

T	The type that was "unhandled."

Returns

This function always returns nullptr.

Definition at line 51 of file c++20/exercise-2-4.hpp.

operator<<()

template<typename T >

std::ostream & exercise_2_4::cpp20::operator<<	(	std::ostream &	os,
		type_descriptor< T > const &
	)

Definition at line 54 of file c++20/exercise-2-4.hpp.