def unicode.sur.hi
import emerging-ezjson@1.3.0.0/src/lex.bend as Leximport Base
139def unicode.sur.hi(+cp: U32, ge: Bool, le: Bool) -> Sur:
140 match ge le:
141 case True{} True{}:
142 SHi{}
143 case a b:
144 unicode.sur.lo(U32.is_ge(cp, 56320), U32.is_le(cp, 57343))