instance method
irregular
Ruby on Rails 5.2.8.1
Signature
irregular(singular, plural)Specifies a new irregular that applies to both pluralization and singularization at the same time. This can only be used for strings, not regular expressions. You simply pass the irregular in singular and plural form.
irregular 'octopus', 'octopi'
irregular 'person', 'people'
Parameters
-
singularreq -
pluralreq
Source
# File activesupport/lib/active_support/inflector/inflections.rb, line 169
def irregular(singular, plural)
@uncountables.delete(singular)
@uncountables.delete(plural)
s0 = singular[0]
srest = singular[1..-1]
p0 = plural[0]
prest = plural[1..-1]
if s0.upcase == p0.upcase
plural(/(#{s0})#{srest}$/i, '\1' + prest)
plural(/(#{p0})#{prest}$/i, '\1' + prest)
singular(/(#{s0})#{srest}$/i, '\1' + srest)
singular(/(#{p0})#{prest}$/i, '\1' + srest)
else
plural(/#{s0.upcase}(?i)#{srest}$/, p0.upcase + prest)
plural(/#{s0.downcase}(?i)#{srest}$/, p0.downcase + prest)
plural(/#{p0.upcase}(?i)#{prest}$/, p0.upcase + prest)
plural(/#{p0.downcase}(?i)#{prest}$/, p0.downcase + prest)
singular(/#{s0.upcase}(?i)#{srest}$/, s0.upcase + srest)
singular(/#{s0.downcase}(?i)#{srest}$/, s0.downcase + srest)
singular(/#{p0.upcase}(?i)#{prest}$/, s0.upcase + srest)
singular(/#{p0.downcase}(?i)#{prest}$/, s0.downcase + srest)
end
end
Defined in activesupport/lib/active_support/inflector/inflections.rb line 169
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Defined in ActiveSupport::Inflector::Inflections