typedef duration < /* see rep below */, nano > nanoseconds;
Duration in nanoseconds
Instantiation of duration to represent nanoseconds.

It is a typedef of an instantiation of duration with the following member types:

Member types

member typedefinitiondescription
repA signed integral type of at least 64 bitsRepresentation type
periodnano (i.e., ratio<1,1000000000>)A ratio of 1:1billion with seconds

See also