R/aaa-utils.R

In timeSeries: Financial Time Series Objects (Rmetrics)

##  Copyright (C) 2020   Martin Maechler
##
##  This program is free software; you can redistribute it and/or modify
##  it under the terms of the GNU General Public License as published by
##  the Free Software Foundation; either version 2 of the License, or
##  (at your option) any later version.
##
##  This program is distributed in the hope that it will be useful,
##  but WITHOUT ANY WARRANTY; without even the implied warranty of
##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
##  GNU General Public License for more details.
##
##  A copy of the GNU General Public License is available at
##  https://www.R-project.org/Licenses/

## Not my idea .. but really nice :
`%||%` <- function (L, R) if (is.null(L)) R else L