purescript-book icon indicating copy to clipboard operation
purescript-book copied to clipboard

Published 20 hours ago • verified publisher icon paf31

First!

Open craigdallimore opened this issue 7 years ago • 0 comments

In 13.09 an exercise reads

"Try using the First monoid, defined in purescript-monoids with the foldMap function to preserve the first error in case of failure."

I can find it in Data.Maybe.First but not in Data.Monoid, is this the right place?

craigdallimore avatar Oct 17 '17 19:10 craigdallimore