Str.text.upper: def of ezsys@0.1.0.0
Import: import ezsys@0.1.0.0/src/str.bend as Str
Lines 424-430 of ezsys@0.1.0.0/src/str.bend: https://jend.leeeet.dev/read.txt?path=ezsys@0.1.0.0/src/str.bend&start_line=424&end_line=430

import Base

# the text in uppercase, character by character
def text.upper(txt: String) -> String:
  match txt:
    case SNil{}:
      SNil{}
    case SCon{h, t}:
      text.upper.char(h) ++ text.upper(t)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.append
  https://jend.leeeet.dev/definition.txt?path=ezsys@0.1.0.0/src/str.bend&name=text.upper.char