Bidirectional interoperability with C and C++

Table of contents

Philosophy and goals

Overview

C++ interoperability model: introduction and principles

The successor language mandate

The C++ interop type

Importing C++ APIs into Carbon

Importing C++ libraries (header-based)

TODO: Importing C++ code (inline)

Accessing built-in C++ entities (file-less)

The `Cpp` package

Importing C++ macros

Calling C++ code from Carbon

Function call syntax and semantics

TODO: Overload resolution

TODO: Constructors

TODO: Struct literals

TODO: Accessing C++ classes, structs, and members

TODO: Accessing global variables

Bi-directional type mapping: primitives and core types

TODO: Integers

Literals

Character types

TODO: Advanced type mapping: pointers, references, and `const`

Bi-directional type mapping: standard library types

`std::stringview` and `str`

TODO: The operator interoperability model