Target.seg: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/ez/target.bend as Target
Lines 140-147 of ezx@1.11.0.0/src/ez/target.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/ez/target.bend&start_line=140&end_line=147

import Base

# one segment of a GitHub shorthand: letters, digits, `-`, `_` and `.`, at
# least one of them, and not `.` or `..`, which name a directory
def seg(text: String) -> Bool:
  match text:
    case SNil{}:
      False{}
    case SCon{+h, t}:
      seg.first(kind(h), t)

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/target.bend&name=kind
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/ez/target.bend&name=seg.first