Nothing

```
#' Intersects a list of arrays for common dimension names
#'
#' @param l. List of arrays to perform operations on
#' @param along The axis along which to intersect
#' @param drop Drop unused dimensions on result
#' @param fail_if_empty Stop if intersection yields empty set
#' @export
intersect_list = function(l., along=1, drop=FALSE, fail_if_empty=TRUE) {
if (!is.list(l.))
stop("`intersect_list()` expects a list as first argument, found: ",
class(l.))
red_int = function(...) Reduce(base::intersect, list(...))
common = do.call(red_int, dimnames(l., along=along))
if (length(common) == 0 && fail_if_empty)
stop("Intersection is empty and fail_if_empty is TRUE")
lapply(l., function(e) subset(e, index=common, along=along, drop=drop))
}
```

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