/// <summary>
/// Deletes the specified entity type by identifier.
/// </summary>
/// <typeparam name="T">The entity type.</typeparam>
/// <param name="connection">The connection.</param>
/// <param name="id">The identifier.</param>
/// <returns><see cref="Task"/> representing the deletion operation.</returns>
public static async Task Delete <T>(this IDbConnection connection, object id)
{
TypeMap type = TypeMap.GetTypeMap <T>();
// validate the key properties
id = type.ValidateKeyProperties(id);
// delete
await connection.QueryAsync <T>(SqlBuilder.BuildDeleteById(type), id)
.ConfigureAwait(false);
}