plural

package
Version: v2.1.2 Latest Latest
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Published: Jan 18, 2021 License: MIT Imports: 4 Imported by: 0

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Overview

Package plural provides support for pluralizing messages according to CLDR rules http://cldr.unicode.org/index/cldr-spec/plural-rules

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type Form

type Form string

Form represents a language pluralization form as defined here: http://cldr.unicode.org/index/cldr-spec/plural-rules

const (
	Invalid Form = ""
	Zero    Form = "zero"
	One     Form = "one"
	Two     Form = "two"
	Few     Form = "few"
	Many    Form = "many"
	Other   Form = "other"
)

All defined plural forms.

type Operands

type Operands struct {
	N float64 // absolute value of the source number (integer and decimals)
	I int64   // integer digits of n
	V int64   // number of visible fraction digits in n, with trailing zeros
	W int64   // number of visible fraction digits in n, without trailing zeros
	F int64   // visible fractional digits in n, with trailing zeros
	T int64   // visible fractional digits in n, without trailing zeros
}

Operands is a representation of http://unicode.org/reports/tr35/tr35-numbers.html#Operands

func NewOperands

func NewOperands(number interface{}) (*Operands, error)

NewOperands returns the operands for number.

func (*Operands) NEqualsAny

func (o *Operands) NEqualsAny(any ...int64) bool

NEqualsAny returns true if o represents an integer equal to any of the arguments.

func (*Operands) NInRange

func (o *Operands) NInRange(from, to int64) bool

NInRange returns true if o represents an integer in the closed interval [from, to].

func (*Operands) NModEqualsAny

func (o *Operands) NModEqualsAny(mod int64, any ...int64) bool

NModEqualsAny returns true if o represents an integer equal to any of the arguments modulo mod.

func (*Operands) NModInRange

func (o *Operands) NModInRange(mod, from, to int64) bool

NModInRange returns true if o represents an integer in the closed interval [from, to] modulo mod.

type Rule

type Rule struct {
	PluralForms    map[Form]struct{}
	PluralFormFunc func(*Operands) Form
}

Rule defines the CLDR plural rules for a language. http://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html http://unicode.org/reports/tr35/tr35-numbers.html#Operands

type Rules

type Rules map[language.Tag]*Rule

Rules is a set of plural rules by language tag.

func DefaultRules

func DefaultRules() Rules

DefaultRules returns a map of Rules generated from CLDR language data.

func (Rules) Rule

func (r Rules) Rule(tag language.Tag) *Rule

Rule returns the closest matching plural rule for the language tag or nil if no rule could be found.

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