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Fix printing of Vararg on Julia 1.7 #262

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jakobnissen
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Recent versions of Julia has moved Vararg from being a Type to being its own thing. This means it will error if T is a vararg and you try to do isa to <: operations with it.
This caused an error, which is fixed here by explicitly testing if T is a Vararg.

Fixes #261

Note that THIS IS NOT TESTED! I couldn't figure out how to write a test for this.

@Roger-luo
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could you just copy-paste the example from that issue in the test? that should be sufficient as a test

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codecov bot commented Oct 25, 2023

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Files Coverage Δ
src/ast/printing.jl 84.69% <80.00%> (+84.69%) ⬆️

... and 22 files with indirect coverage changes

📢 Thoughts on this report? Let us know!.

Recent versions of Julia has moved Vararg from being a Type to being its own
thing. This means it will error if T is a vararg and you try to do `isa` to `<:`
operations with it.
This caused an error, which is fixed here by explicitly testing if T is a Vararg.
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[BUG] Vararg does not work on recent Julia versions
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