Question
a.
function (X, FUN, ...)
{
FUN <- match.fun(FUN)
if (!is.vector(X) || is.object(X))
X <- as.list(X)
.Internal(lapply(X, FUN))
}
b.
function (X, FUN, ...)
{
FUN <- match.fun(FUN)
if (!is.vector(X) | is.object(X))
X <- as.list(X)
.Internal(lapply(X, FUN))
}
c.
function (X, FUN, ...)
{
FUN <- match.fun(FUN)
if (is.vector(X) || is.object(X))
X <- as.list(X)
.Internal(lapply(X, FUN))
}
d.
function (X, FUN, ...)
{
FUN <- match.fun(FUN)
if (is.vector(X) || is.object(X))
}
Posted under Scoping Rules and Debugging R Programming
{
FUN <- match.fun(FUN)
if (!is.vector(X) || is.object(X))
X <- as.list(X)
.Internal(lapply(X, FUN))
}
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