A digit that does not meet the requirements of the
decimal numeric type or a non-digit numeric value.
- Xcode 10.2+
- Swift Standard Library
This numeric type includes fractions such as “⅕” (U+2155 VULGAR FRACITON ONE FIFTH), numerical CJK ideographs like “兆” (U+5146 CJK UNIFIED IDEOGRAPH-5146), and other scalars that are not decimal digits used positionally in the writing of base-10 numbers.
As of Unicode 6.3, any new scalars that represent numbers but do not meet the requirements of
decimal will have numeric type
numeric, and programs can treat