LibUnicode: Generate a list of available currencies

Author: https://github.com/trflynn89
Commit: bb0f548614
Pull-request: https://github.com/SerenityOS/serenity/pull/12223
Reviewed-by: https://github.com/linusg ✅

Userland/Libraries/LibUnicode/CurrencyCode.cpp

@@ -203,4 +203,6 @@ Optional<CurrencyCode> get_currency_code(StringView currency)
     return currency_codes.get(currency);
 }
 
+Span<StringView const> __attribute__((weak)) get_available_currencies() { return {}; }
+
 }

Userland/Libraries/LibUnicode/CurrencyCode.h

@@ -8,6 +8,7 @@
 
 #include <AK/HashMap.h>
 #include <AK/Optional.h>
+#include <AK/Span.h>
 #include <AK/StringView.h>
 
 namespace Unicode {
@@ -17,5 +18,6 @@ struct CurrencyCode {
 };
 
 Optional<CurrencyCode> get_currency_code(StringView currency);
+Span<StringView const> get_available_currencies();
 
 }