Solver.is_none: def of minebender-game@1.0.0.0
Import: import minebender-game@1.0.0.0/solver.bend as Solver
Lines 134-139 of minebender-game@1.0.0.0/solver.bend: https://jend.leeeet.dev/read.txt?path=minebender-game@1.0.0.0/solver.bend&start_line=134&end_line=139

import Base

def is_none(m: Maybe<&2, Bool>) -> Bool:
  match m:
    case Some{b}:
      False{}
    case None{}:
      True{}

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=Maybe