I'm utterly torn between ido and helm. I like that ido has a small popup, preserving window layout, but helm is great for large datasets.
miniblog.
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https://elm-lang.org/news/compiler-errors-for-humans mentions the importance of layout and paragraphs for compile error messages.
Perhaps tools should do line wrapping if the terminal is very wide? It's definitely more comfortable to read.
A decent part of VMs being faster than AST interpreters is just memory layout AIUI.
VM instructions are largely flat arrays, so there's less pointer chasing.
I'm excited to see Mastodon offering a single column layout! https://blog.joinmastodon.org/2019/06/mastodon-2.9/
The multiple column layout didn't work as well on my small laptop screen.