codeShortMap constant
A tree-shakable constant map containing short language (ISO 639-1) codes and their associated NaturalLanguage objects, for a O(1) access time.
Example usage:
NaturalLanguage.codeShortMap['en ']; // LangEng().
Implementation
static const codeShortMap = UpperCaseIsoMap<NaturalLanguage>(
naturalLanguageCodeOtherMap,
exactLength: IsoStandardized.codeShortLength,
);