def bound
import shake@0.7.0.0/src/cli.bend as Cliimport Base
445# whether `name` is already bound
446def bound(bs: List<&2, Bind>, +name: String) -> Bool:
447 match bs:
448 case Nil{}:
449 False{}
450 case Con{+h, t}:
451 bound.at(bound.hit(h, name), bound(t, name))