private static T Update <T>(TomlTable table, string key, T obj)
where T : TomlObject
{
if (table.TryGetValue(key, out var _))
{
table.SetRow(new TomlKey(key), obj);
return(obj);
}
else
{
throw new InvalidOperationException($"Cannot update because row with key '{key}' does not exist.");
}
}
