Plan.semver.chars: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/pub/plan.bend as Plan
Lines 164-173 of ezx@1.11.0.0/src/pub/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/pub/plan.bend&start_line=164&end_line=173

import Base

# whether every character of a version is a digit or a dot. A pre-release
# (`1.0.0-rc.1`) or build (`1.0.0+abc`) suffix holds a character that is
# neither, so this is where one is refused, whatever follows it.
def semver.chars(text: String) -> Bool:
  match text:
    case SNil{}:
      True{}
    case SCon{+h, t}:
      +rest = semver.chars(t)
      Bool.and(semver.char(h), rest)

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=Bool.and
  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/pub/plan.bend&name=semver.char