Replace list indexing with `iv`

[JonasGruenwald]

spectator/src/spectator/internal/api.gleam

Lines 350 to 388 in 0192444

	fn disgustingly_index_into_list_at(
	in list: List(a),
	get index: Int,
	) -> Result(a, Nil) {
	case index >= 0 {
	True ->
	list
	|> list.drop(index)
	|> list.first
	False -> Error(Nil)
	}
	}
	pub fn sort_table_data(
	input: TableData,
	sort_column: Int,
	sort_direction: SortDirection,
	) -> TableData {
	// see it, say it,
	let sorted =
	list.sort(input.content, fn(a, b) {
	// Ok, but why?
	// Tables can have a variable number of columns, so we have to use lists
	// I still want to be able to sort by column index, so I have to index into the list
	// -> Let's see how performances fares here, we could otherwise go for a map or erlang array
	let a_cell = disgustingly_index_into_list_at(a, sort_column)
	let b_cell = disgustingly_index_into_list_at(b, sort_column)
	case a_cell, b_cell {
	Ok(a), Ok(b) ->
	compare_dynamic_data(a, b)
	|> apply_direction(sort_direction)
	Ok(_a), Error(_b) -> order.Gt |> apply_direction(sort_direction)
	Error(_a), Ok(_b) -> order.Lt
	Error(_), Error(_) -> order.Eq |> apply_direction(sort_direction)
	}
	})
	TableData(..input, content: sorted)
	}

https://hexdocs.pm/iv/index.html