Merge two lists

# S3 method for list
merge(x, y, ..., open = FALSE, warn = TRUE, context = "object", wild = "...")

Arguments

x

the original list

y

the new list for merging

...

not used

open

logical indicating whether or not new items should be allowed in the list upon merging

warn

issue warning if nothing found to update

context

description of usage context

wild

wild-card name; see details

Details

Wild-card names (wild) are always retained in x and are brought along from y only when open.