# Planning Large Projects

**URL:** https://discourse.julialang.org/t/planning-large-projects/28562
**Category:** Tooling
**Created:** [September 9, 2019, 2:17pm UTC](https://discourse.julialang.org/t/planning-large-projects/28562 "2019-09-09T14:17:57Z")
**Posts on this page:** 1
**Showing post:** 12

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### Author: ![Mason](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mason/32/2423_2.png) [@Mason](https://discourse.julialang.org/u/Mason)
#### Post date: [September 9, 2019, 6:31pm UTC](https://discourse.julialang.org/t/planning-large-projects/28562/12 "2019-09-09T18:31:16Z")

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I think it could be an interesting project to build something with an interface kinda like [Cthulhu.jl](https://github.com/JuliaDebug/Cthulhu.jl) where instead of descending into `@code_typed`, it displays a type hierarchy like this [1]:

```julia
Number (Core)
	Complex (Base)
	Real (Core)
		AbstractFloat (Core)
			BigFloat (Base.MPFR)
			Float16 (Core)
			Float32 (Core)
			Float64 (Core)
		AbstractIrrational (Base)
			Irrational (Base)
		Integer (Core)
			Bool (Core)
			Signed (Core)
				BigInt (Base.GMP)
				Int128 (Core)
				Int16 (Core)
				Int32 (Core)
				Int64 (Core)
				Int8 (Core)
			Unsigned (Core)
				UInt128 (Core)
				UInt16 (Core)
				UInt32 (Core)
				UInt64 (Core)
				UInt8 (Core)
		Rational (Base)

```

and then the user can navigate through the hierarchy and see the output of `methodswith` on each type, or the names exported by each module.

Perhaps that sort of functionality would help the OP?

* * *

[1] This type tree is generated by

```julia
function showtree(T::Type, level=0)
    println("\t" ^ level, T, " ($(parentmodule(T)))")
    for t in subtypes(T)
        showtypetree(t, level+1)
    end
end

showtree(Number)

```

which I adapted from [Introducing Julia/Types - Wikibooks, open books for an open world](https://en.wikibooks.org/wiki/Introducing_Julia/Types).

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