Function otter_api_tests::recalculate_occultation_piece

pub fn recalculate_occultation_piece(
    gs: &mut GameState, 
    who_by: Html, 
    ipieces: &IPieces, 
    ioccults: &IOccults, 
    to_recalculate: &mut ToRecalculate, 
    piece: PieceId, 
    (WhatResponseToClientOp, PieceUpdateOp<(), ()>, Vec<LogEntry, Global>)
) -> Result<PieceUpdate, InternalError>