tree: Print a Tree Representation of an Object of Nested Lists

Description

This function returns output similar to that of the command line tool tree, except rather than directory/file structure, we simply print the names of lists.

Usage

1
tree(x)

Arguments

x

A (named) list.

See Also

http://stackoverflow.com/questions/18122548/display-names-of-column-of-recursive-list-as-tree


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