stopifnot | R Documentation |
See the original description in base::stopifnot
.
stopifnot(..., exprs, exprObject, local = TRUE)
# get function from namespace instead of possibly getting # implementation shipped with recent R versions: bp_stopifnot = getFromNamespace("stopifnot", "backports") m <- matrix(c(1, 3, 12, 1), 2, 2) ## Not run: bp_stopifnot("m must be symmetric" = m == t(m))
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