Http.utf8.len: def of emerging-ezhttp@0.21.0.0
Import: import emerging-ezhttp@0.21.0.0/src/http.bend as Http
Lines 134-140 of emerging-ezhttp@0.21.0.0/src/http.bend: https://jend.leeeet.dev/read.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&start_line=134&end_line=140

import Base

# how many octets of UTF-8 a text is
def utf8.len(s: String) -> Nat:
  match s:
    case SNil{}:
      0n
    case SCon{h, t}:
      Nat.add(utf8.width(Char.to_u32(h)), utf8.len(t))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char.to_u32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=emerging-ezhttp@0.21.0.0/src/http.bend&name=utf8.width