Method: Worldwide::Currencies#alpha_code_for

Defined in:
lib/worldwide/currencies.rb

#alpha_code_for(numeric_code) ⇒ Object

Convert ISO-4217 numeric-three code to ISO-4217 alpha-three code Returns nil if there is no such numeric code.



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# File 'lib/worldwide/currencies.rb', line 20

def alpha_code_for(numeric_code)
  lookup_code = if numeric_code.is_a?(Integer)
    numeric_code
  else
    numeric_code&.to_s&.to_i
  end
  numeric_three_to_alpha_three_db[lookup_code]&.to_s
end