get_graph: Convert a function map to a directed graph
Description
The graph is represented as an adjacency list. It is a named
list of character vectors, and a character vector contains
the successors of the vertex.
Usage
get_graph(map, only_me = TRUE)
Arguments
map
The function map.
only_me
Whether to include only the functions under study
(i.e. the functions defined in the script(s) or the package),
or all functions called by them as well.