List.is_empty: def of Base
Import: import Base
Lines 957-962 of Base/base.bend: https://jend.leeeet.dev/read.txt?path=Base/base.bend&start_line=957&end_line=962

import Base

def List.is_empty(a, -A: Kind(a), xs: List<a, A>) -> Bool:
  match xs:
    case Nil{}:
      True{}
    case h <> t:
      False{}

Uses (2):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List