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An I/O object service must meet the requirements for a service, as well as the requirements listed below.
In the table below, X denotes an I/O object service class,
a and ao denote values of type X,
b and c denote values of type X::implementation_type,
and u denotes an identifier.
Table 24. IoObjectService requirements
|
expression |
return type |
assertion/note |
|---|---|---|
|
|
||
|
|
note: |
|
|
a.construct(b);
|
||
|
a.destroy(b);
|
note: |
|
|
a.move_construct(b, c);
|
note: only required for I/O objects that support movability. |
|
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a.move_assign(b, ao, c);
|
note: only required for I/O objects that support movability. |