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A protocol must meet the requirements of CopyConstructible
types (C++ Std, 20.1.3), and the requirements of Assignable
types (C++ Std, 23.1).
In the table below, X denotes
a protocol class, and a denotes
a value of X.
Table 14. Protocol requirements
|
expression |
return type |
assertion/note |
|---|---|---|
|
|
type meeting endpoint requirements |
|
|
|
|
Returns a value suitable for passing as the domain
argument to POSIX |
|
|
|
Returns a value suitable for passing as the type
argument to POSIX |
|
|
|
Returns a value suitable for passing as the protocol
argument to POSIX |