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Protocol requirements

A type X meets the Protocol requirements if it satisfies the requirements of Destructible (C++Std [destructible]), CopyConstructible (C++Std [copyconstructible]), and CopyAssignable (C++Std [copyassignable]), as well as the additional requirements listed below.

No copy or move operation of the type X shall exit via an exception.

Table 25. Protocol requirements

expression

return type

assertion/note
pre/post-conditions

X::endpoint

type meeting endpoint requirements


In the table below, a denotes a (possibly const) value of type X.

Table 26. Protocol requirements for extensible implementations

expression

return type

assertion/note
pre/post-conditions

a.family()

int

Returns a value suitable for passing as the domain argument to POSIX socket() (or equivalent).

a.type()

int

Returns a value suitable for passing as the type argument to POSIX socket() (or equivalent).

a.protocol()

int

Returns a value suitable for passing as the protocol argument to POSIX socket() (or equivalent).



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