Http.utf8.width: def of ezhttp@0.22.0.0
Import: import ezhttp@0.22.0.0/src/http.bend as Http
Lines 126-132 of ezhttp@0.22.0.0/src/http.bend: https://jend.leeeet.dev/read.txt?path=ezhttp@0.22.0.0/src/http.bend&start_line=126&end_line=132

import Base

# octets one code point takes in UTF-8, for a text written onto the wire
# (RFC 3629 §3). Content-Length counts octets (RFC 9110 §8.6); a Bend String
# counts code points.
def utf8.width(+u: U32) -> Nat:
  Bool.pick(Nat, U32.is_lt(u, 128), 1n,
    Bool.pick(Nat, U32.is_lt(u, 2048), 2n,
      Bool.pick(Nat, U32.is_lt(u, 65536), 3n, 4n)))

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.pick
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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_lt