until -package:numeric-prelude -package:util -package:xmonad-contrib -package:LambdaHack -package:base-compat -package:distribution-opensuse -package:snap-core -package:llvm-hs-pure -package:classy-prelude -package:language-bash 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.