until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask -package:util -package:faktory -package:sparse-linear-algebra -package:scalpel-core -package:Cabal-syntax -package:xmonad-contrib package:rebase
until p f yields the result of applying
f
until
p holds.
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.