View Source ExCatalog.Cldr.Number.Ordinal (ex_catalog v1.5.6)

Implements ordinal plural rules for numbers.

Link to this section Summary

Functions

The locale names for which plural rules are defined.

The configured locales for which plural rules are defined.

Return the plural key for a given number in a given locale

Returns all the plural rules defined in CLDR.

Return the plural rules for a locale.

Pluralize a number using ordinal plural rules and a substitution map.

Link to this section Functions

Link to this function

available_locale_names()

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The locale names for which plural rules are defined.

@spec known_locale_names() :: [Cldr.Locale.locale_name(), ...]

The configured locales for which plural rules are defined.

Returns the intersection of ExCatalog.Cldr.known_locale_names/0 and the locales for which Ordinal plural rules are defined.

There are many Cldr locales which don't have their own plural rules so this list is the intersection of Cldr's configured locales and those that have rules.

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plural_rule(number, locale, rounding \\ Math.default_rounding())

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Return the plural key for a given number in a given locale

Returns which plural key (:zero, :one, :two, :few, :many or :other) a given number fits into within the context of a given locale.

Note that these key names should not be interpreted literally. For example, the key returned from Cldr.Number.Ordinal.plural_rule(0, "en") is actually :other, not :zero.

This key can then be used to format a number, date, time, unit, list or other content in a plural-sensitive way.

arguments

Arguments

examples

Examples

iex> ExCatalog.Cldr.Number.Ordinal.plural_rule 0, "fr"
:other

iex> ExCatalog.Cldr.Number.Ordinal.plural_rule 1, "en"
:one
@spec plural_rules() :: map()

Returns all the plural rules defined in CLDR.

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plural_rules_for(locale_name)

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@spec plural_rules_for(Cldr.Locale.locale_name() | Cldr.LanguageTag.t()) :: [
  {atom(), list()},
  ...
]

Return the plural rules for a locale.

arguments

Arguments

The rules are returned in AST form after parsing.

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pluralize(number, locale_name, substitutions)

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Pluralize a number using ordinal plural rules and a substitution map.

arguments

Arguments

  • number is an integer, float or Decimal or a Range.t{}. When a range, The is that in any usage, the start value is strictly less than the end value, and that no values are negative. Results for any cases that do not meet these criteria are undefined.

  • locale is any locale returned by ExCatalog.Cldr.Locale.new!/1 or any locale_name returned by ExCatalog.Cldr.known_locale_names/0

  • substitutions is a map that maps plural keys to a string. The valid substitution keys are :zero, :one, :two, :few, :many and :other.

See also ExCatalog.Cldr.Number.Ordinal.Ordinal.plural_rule/3.

examples

Examples

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 1, :en, %{one: "one"}
"one"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 2, :en, %{one: "one"}
nil

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 2, :en, %{one: "one", two: "two"}
"two"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 22, :en, %{one: "one", two: "two", other: "other"}
"two"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize Decimal.new(1), :en, %{one: "one"}
"one"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize Decimal.new(2), :en, %{one: "one"}
nil

iex> ExCatalog.Cldr.Number.Ordinal.pluralize Decimal.new(2), :en, %{one: "one", two: "two"}
"two"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 1..10, "ar", %{one: "one", few: "few", other: "other"}
"other"

iex> ExCatalog.Cldr.Number.Ordinal.pluralize 1..10, "en", %{one: "one", few: "few", other: "other"}
"other"