def reads.arg

shake@0.7.0.0 · src/check.bend:252

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

252# a read of the argument found under its name, or of none
253def reads.arg(found: Maybe<&2, C.Arg>, want: Want, +path: List<&2, String>, +name: String) -> List<&2, ReadErr>:
254  match found:
255    case None{}:
256      [NoArg{path, name}]
257    case Some{aa}:
258      C.Arg{_n, _s, _l, kind, _h, _r, _d, _c} = aa
259      reads.want(want, reads.flag(kind), path, name)