Cldr.Number.PluralRule (Cldr v2.42.0)

Defines the plural rule implementation modules. The functions in this module generate code to implement the plural rules of CLDR.

Summary

Types

operand()

plural_rule()

Defines the structure of a plural rule before compilation.

plural_type()

Defines the plural types into which a number can be categorised.

Functions

known_plural_types()

Returns a list of the possible pluralization types

plural_type(number, backend \\ nil, options \\ [])

Returns the plural type for a given number.

Types

operand()

@type operand() :: any()

plural_rule()

@type plural_rule() :: Keyword.t()

Defines the structure of a plural rule before compilation.

plural_type()

@type plural_type() :: :zero | :one | :two | :few | :many | :other

Defines the plural types into which a number can be categorised.

Functions

known_plural_types()

@spec known_plural_types() :: [plural_type(), ...]

Returns a list of the possible pluralization types

plural_type(number, backend \\ nil, options \\ [])

Returns the plural type for a given number.

Arguments

number is an integer, float or Decimal number.
backend is any module that includes use Cldr and therefore is a Cldr backend module. The default is Cldr.default_backend!/0.
options is a keyword list of options.

Options

locale is any valid locale name returned by Cldr.known_locale_names/1 or a Cldr.LanguageTag struct returned by Cldr.Locale.new!/2, The default is Cldr.get_locale/0.
backend is any module that includes use Cldr and therefore is a Cldr backend module. The default is Cldr.default_backend!/0. This option allows the backend to be specified as an argument or an option.
type is either Cardinal or Ordinal. The default is Cardinal.

Examples

iex> Cldr.Number.PluralRule.plural_type(123)
:other

iex> Cldr.Number.PluralRule.plural_type(123, type: Ordinal)
:few

iex> Cldr.Number.PluralRule.plural_type(123, type: Cardinal)
:other

iex> Cldr.Number.PluralRule.plural_type(2, locale: "de")
:other