Olav Fosse

Weird

``` $ go env | grep GOPROXY GOPROXY="direct" ``` ``` github.com/micmonay/keybd_event v1.1.0 h1:fQzkqiG/Siwji1Ju9NDkIb8FSFFlPU76YbJntrXdtQw= github.com/micmonay/keybd_event v1.1.0/go.mod h1:QS2Kfz0PbPezFqMPEot+l/cK78/tHLZtZ7AbYUCRKsQ= github.com/rakyll/portmidi v0.0.0-20170620004031-e434d7284291 h1:hl7rQwLldjB+FCyUuxSFCAx986GONIoRQwsMesdOknE= github.com/rakyll/portmidi v0.0.0-20170620004031-e434d7284291/go.mod h1:tO1ylmFo6+hnYFvj/fd92q30wkNQwgWC/8mcHq0KkQU= gitlab.com/gomidi/midi v1.16.4/go.mod h1:3ohtNOhqoSakkuLG/Li1OI6I3J1c2LErnJF5o/VBq1c= gitlab.com/gomidi/midi v1.22.3 h1:bQuG0u7uIj/cQwHrReB+2CqLAj7j7tLiBQ3D3hf/3Iw= gitlab.com/gomidi/midi v1.22.3/go.mod...

@googlebot I signed it!

I got the same panic when comparing to `*html.Node`s, which also are doubly linked lists + links to parent and children.

> @ryanzidago if this line is removed, a blank value (empty , " ") will be accepted if is unique. How come? The `presence: true` prevents nils and empty strings...

I don't have logs. I forgot to say, but I was using a newer image from Hydra 😅. Specifically https://hydra.nixos.org/build/187548854. Following the instructions with the exact image in the instructions...

Still not available. Compilation didn't work either. Here are some pdfs if anyone are still looking. https://www.google.com/search?q=sicp+type%3Apdf&oq=sicp+type%3Apdf&aqs=chrome.0.69i59.2231j0j7&sourceid=chrome&ie=UTF-8

see https://git.savannah.gnu.org/git/hurd/hurd.git for an up to date tree

The same reason one would use `fmt.Print` when one can inspect a value in the debugger; perhaps you don't have a debugger available, perhaps you want to serialize the value,...

I could have a go at fixing this, but not this week probably. Feel free to assign :blush: