structure definition def or abbrev

`Ledger`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

  11structure Ledger where
  12  Carrier : Type
  13  state : Option Carrier := none

Definition body.

  14  tick : Option (Carrier → ℕ) := none
  15
  16/-- Bridge over a ledger. -/

Lean names referenced from this declaration's body.