Tests whether an object is of class era_year
(constructed by era_year()
).
See also
Other era helper functions:
era
,
era_parameters
,
era_year
,
era_year_parameters
,
is_era()
,
is_yr()
,
this_year()
Examples
is_era_year(era_year("Julian", 365.25))
#> [1] TRUE