introduce Patch.Source and caching compilation Patch.Source -> Patch
before making library mutable
cheesy path copying library update
...
...
library is mutable + observable. view impl still incomplete
add unidoc stuff
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give up here
...
new day, french energy, voodoo is kicking in
looks viable
voodoo starting to become voodoo. avoiding typer crash by not using alias type N = Node[B, L] in branch like. damn
step
step
before figuring out how to extend branch updates
getting more nasty again
actually... do we need LeafLike[A] at all?
enough to have abstract leaf