| is_era_year | R Documentation | 
era_year objectsTests whether an object is of class era_year (constructed by era_year()).
is_era_year(x)
| x | Object to test. | 
TRUE or FALSE.
Other era helper functions: 
era,
era_parameters,
era_year,
era_year_parameters,
is_era(),
is_yr(),
this_year()
is_era_year(era_year("Julian", 365.25))
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