MathSequence.index_value: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/math_sequence.bend as MathSequence
Lines 31-38 of stelliferous@0.0.2.0/math_sequence.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/math_sequence.bend&start_line=31&end_line=38

import Base

def index_value(length: Nat,index: Index(length)) -> Nat:
  match length:
    case 0n:
      match index:
    case 1n+rest:
      match index:
        case First{}: 0n
        case Next{index}: 1n+index_value(rest,index)

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/math_sequence.bend&name=Index
  https://jend.leeeet.dev/definition.txt?path=stelliferous@0.0.2.0/math_sequence.bend&name=Position