def lt_different

bendtorch-core@0.1.0.0 · src/tensor/from_values_contract.bend:72

import Base
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith

72def lt_different(+small: Nat, +big: Nat, earlier: {Nat.is_lt(small, big) == True{} : Bool}) ->
73  {Nat.is_eq(big, small) == False{} : Bool}:
74  match small big:
75    case 0n 0n:
76      Empty.absurd({True{} == False{} : Bool}, Arith.clash(earlier))
77    case 0n 1n+q:
78      {==}
79    case 1n+p 0n:
80      {==}
81    case 1n+p 1n+q:
82      lt_different(p, q, earlier)