blamestross / nimrod-vectors Goto Github PK

consider using something like this, to get around static[int] not working in types, instead a vector of two would be Vector[range[0..1]] and length becomes a static property

type
  Vector[R] = object
    deltas: array[R, float]


proc initVector* (len:static[int]): auto =
  return Vector[range[0 .. <len]]()

proc `[]`* [R] (vec:Vector[R]; idx:R): float = 
  vec.deltas[idx]
proc `[]=`*[R] (vec:var Vector[R]; idx:R; val:float) = 
  vec.deltas[idx] = val

proc `$`* [R] (vec:Vector[R]): string =
  result = "["
  for idx,it in vec.deltas.pairs:
    result.add($it)
    if idx < vec.deltas.high: result.add ", "
  result.add "]"

when isMainModule:
  var v = initVector(2)
  v[0] = 0.5
  v[1] = 1.0
  echo v

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