...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
In the table below, X
denotes
a time traits class for time type Time
,
t
, t1
,
and t2
denote values of type
Time
, and d
denotes a value of type X::duration_type
.
Table 38. TimeTraits requirements
expression |
return type |
assertion/note |
---|---|---|
|
|
Represents an absolute time. Must support default construction,
and meet the requirements for |
|
Represents the difference between two absolute times. Must support
default construction, and meet the requirements for |
|
|
|
Returns the current time. |
|
|
Returns a new absolute time resulting from adding the duration
|
|
|
Returns the duration resulting from subtracting |
|
|
Returns whether |
|
|
Returns the |