Text.unit.emit: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/text.bend as Text
Lines 218-220 of bend-toon-codec@0.1.0.0/src/text.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&start_line=218&end_line=220

import Base

# A finished \uXXXX value: a surrogate is refused (section 7.1).
def unit.emit(+n: U32) -> Ek:
  ek.pick(U32.is_ge(n, 55296) && U32.is_le(n, 57343), EkErr{"surrogate code point in \\u escape"}, EkChar{n})

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_ge
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_le
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&name=Ek
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&name=ek.pick