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Workflow

It is often useful to try something in a temporary environment.

Pkg.activate(temp = true)

or

pkg> activate --temp

both generate a temporary environment in /tmp and activate it. Here, one can add dependencies and then simply forget the environment once done. The folder will be automatically cleaned up after some time, I believe.

Revise.jl

Revise is essential for a smooth workflow.

One limitation: includeing files in a model that is tracked with includet does not work (1.6). Example:

# Foo.jl
module Foo
    include("foo2.jl")
end

# foo2.jl
foo() = println("This is foo")

# REPL
includet("Foo.jl")

produces a MethodError that is hard to make sense of.

Once code gets complicated enough that files include other files, it is best to make a package.