↰ base.caps.FEnv

• base.caps.CapTries/0
• base.caps.CapTry/0
• base.caps.Create/0
• base.caps.Env/0
• base.caps.FEnv/0
• base.caps.FRandomSeed/0
• base.caps.FileHandleMode/0
• base.caps.IO/0
• base.caps.IsoConsumer/2
• base.caps.IsoPod/0
• base.caps.IsoPod/1
• base.caps.IsoViewer/2
• base.caps.RandomSeed/0
• base.caps.Read/0
• base.caps.System/0
• base.caps.TryBody/1
• base.caps.TryBody/2
• base.caps.UnrestrictedIO/0
• base.caps.Write/0

imm .io(io: mut base.caps.IO): mut base.caps.Env -> …,
read #(s: mut base.caps.System): mut base.caps.Env -> …,