Cldr.DateTime.Formatter.day_name
You're seeing just the function
day_name
, go back to Cldr.DateTime.Formatter module for more information.
Specs
day_name(Calendar.date(), integer(), Keyword.t()) :: String.t() | {:error, String.t()}
Returns the weekday name (format symbol E
) as an string.
Arguments
date
is aDate
struct or any map that contains at least the keys:year
,:month
,:day
and:calendar
n
in an integer between 1 and 6 that determines the format of the day of weeklocale
is any valid locale name returned byCldr.known_locale_names/0
or aCldr.LanguageTag
struct. The default isCldr.get_locale/0
options
is aKeyword
list of options. There are no options used inday_name/4
Format Symbol
The representation of the day name is made in accordance with the following table:
Symbol | Example | Cldr Format |
---|---|---|
E, EE, EEE | "Tue" | Abbreviated |
EEEE | "Tuesday" | Wide |
EEEEE | "T" | Narrow |
EEEEEE | "Tu" | Short |
Examples
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 6
"Tu"
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 5
"T"
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 4
"Tuesday"
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 3
"Tue"
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 2
"Tue"
iex> Cldr.DateTime.Formatter.day_name ~D[2017-08-15], 1
"Tue"
Specs
day_name(Calendar.date(), integer(), locale(), Cldr.backend(), Keyword.t()) :: String.t() | {:error, String.t()}