c(..., recursive=FALSE)
The default method combines its arguments to form a vector.
All arguments are coerced to a common type which is the type
of the returned value.
If recursive=TRUE
, the function recursively
descends through lists combining all their elements into
a vector.
unlist
.
c(1,7:9) c(1:5, 10.5, "next") c(options(), recursive=T)