Tool to tell if a package has unused dependencies or using unused packages

General Usage
11

Sorry to resurrect this old topic but I noted a corner case:

Imagine that in MyPkg.jl I do a

using Printf: @printf

then

julia> isdefined(MyPkg,:Printf)
false

and the remove would incorrectly (at least to me) suggest to remove Printf. Any way to programmatically check for unused deps?

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