MyApp.Cldr.Unit.to_iolist
to_iolist
, go back to MyApp.Cldr.Unit module for more information.
Specs
to_iolist(Cldr.Unit.value() | Cldr.Unit.t() | [Cldr.Unit.t(), ...], Keyword.t()) :: {:ok, list()} | {:error, {atom(), binary()}}
Formats a number into an iolist according to a unit definition for a locale.
Arguments
list_or_number
is any number (integer, float or Decimal) or at:Cldr.Unit
struct or a list oft:Cldr.Unit
structsoptions
is a keyword list
Options
:unit
is any unit returned byCldr.Unit.known_units/0
. Ignored if the number to be formatted is at:Cldr.Unit
struct:locale
is any valid locale name returned byCldr.known_locale_names/0
or aCldr.LanguageTag
struct. The default isCldr.get_locale/0
:style
is one of those returned byCldr.Unit.available_styles
. The current styles are:long
,:short
and:narrow
. The default isstyle: :long
:grammatical_case
indicates that a localisation for the given locale and given grammatical case should be used. SeeCldr.Unit.known_grammatical_cases/0
for the list of known grammatical cases. Note that not all locales define all cases. However all locales do define the:nominative
case, which is also the default.:gender
indicates that a localisation for the given locale and given grammatical gender should be used. SeeCldr.Unit.known_gender/0
for the list of known grammatical genders. Note that not all locales define all genders. The default gender isCldr.Unit.default_gender/1
for the given locale.:list_options
is a keyword list of options for formatting a list which is passed through toCldr.List.to_string/3
. This is only applicable when formatting a list of units.Any other options are passed to
Cldr.Number.to_string/2
which is used to format thenumber
Returns
{:ok, io_list}
or{:error, {exception, message}}
Examples
iex> MyApp.Cldr.Unit.to_iolist Cldr.Unit.new!(:gallon, 123)
{:ok, ["123", " gallons"]}