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Description
If a variable in a function has the same name as another function, a link will be erroneously created.
f1 <- function() {
1
}
f2 <- function() {
f1 <- 10 # This variable `f1` will be confused with the function `f1()`
2
}
# The foodweb mistakenly believes that function `f2()` calls function `f1()`
foodweb()
#> # A `foodweb`: 2 nodes and 1 edges
#> digraph 'foodweb' {
#> f1()
#> f2() -> { f1() }
#> }We need to differentiate between the symbol f1 and the call f1().