Nothing
# Some installations of R require the && and || operators
# to return a result of length 1.
# For example, `nzchar(letters) && length(letters)` fails on
# some platforms but not others. Below, we mock the operators
# to preempt these elusive failures.
# Below, toggle the if() condition on in test mode
# and off in production mode.
# nocov start
if (FALSE) {
`&&` <- function(x, y) {
if (length(x) != 1) {
stop("length x not 1")
} else if (!x) {
return(x)
}
if (length(y) != 1) {
stop("length y not 1")
}
y
}
`||` <- function(x, y) {
if (length(x) != 1) {
stop("length x not 1")
} else if (x) {
return(x)
}
if (length(y) != 1) {
stop("length y not 1")
}
y
}
}
# nocov end
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