pluralizer

type Inflector interface {
	Language() Language
	Plural(word string) string
	SetLanguage(language Language) Inflector
	Singular(word string) string
}

type Language interface {
	Name() string
	SingularRuleset() Ruleset
	PluralRuleset() Ruleset
}

type Pattern interface {
	Matches(word string) bool
}

type Patterns []Pattern

type Ruleset interface {
	AddIrregular(substitutions ...Substitution) Ruleset
	AddUninflected(words ...string) Ruleset
	Regular() Transformations
	Uninflected() Patterns
	Irregular() Substitutions
}

type Substitution interface {
	From() string
	To() string
}

type Substitutions []Substitution

type Transformation interface {
	Apply(word string) string
}

type Transformations []Transformation