Small helper functions.
Usage
is_eth_date(x)
is_eth_leap(x)
# S3 method for class 'ethdate'
as.Date(x, ...)
# S3 method for class 'ethdate'
as.double(x, ...)
# S3 method for class 'ethdate'
as.character(x, ...)
# S3 method for class 'ethdate'
format(x, format = "%Y-%m-%d", lang = c("lat", "amh", "en"), ...)Value
is_eth_leap() returns a boolean vector,
as.Date() returns a Date object,
as.numeric() returns number of date since 1970-01-01 GC (1962-04-23 EC), and
as.character() returns formatted character date.
