Check.args.default: def of shake@0.7.0.0
Import: import shake@0.7.0.0/src/check.bend as Check
Lines 46-58 of shake@0.7.0.0/src/check.bend: https://jend.leeeet.dev/read.txt?path=shake@0.7.0.0/src/check.bend&start_line=46&end_line=58

import Base
import shake@0.7.0.0/src/cli.bend as C

# a default outside a nonempty choices list
def args.default(
  dflt: Maybe<&2, String>,
  +cs: List<&2, String>,
  +path: List<&2, String>,
  +name: String
) -> List<&2, SpecErr>:
  match dflt:
    case None{}:
      []
    case Some{+vv}:
      one(Bool.and(Bool.not(List.is_empty(&2, String, cs)), Bool.not(C.allowed.ok(cs, vv))),
        DefaultNotChoice{path, name, vv})

Uses (9):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.not
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.is_empty
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/check.bend&name=SpecErr
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/check.bend&name=one
  https://jend.leeeet.dev/definition.txt?path=shake@0.7.0.0/src/cli.bend&name=allowed.ok