Skip to content

Fix ghc Monoid/Semigroup Issue for cabal-based builds with newer versions of base #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
dansvo wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Fix ghc Monoid/Semigroup Issue for cabal-based builds with newer versions of base #1

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions Graphics/OpenSCAD.hs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -619,13 +619,13 @@ diam :: Double -> Double
diam = (/ 2)

-- Now, let Haskell work it's magic
instance Vector v => Semigroup (Model v) where
(Solid (Box 0 0 0)) <> b = b
a <> (Solid (Box 0 0 0)) = a
a <> b = union [a, b]

instance Vector v => Monoid (Model v) where
mempty = Solid $ Box 0 0 0
mappend (Solid (Box 0 0 0)) b = b
mappend a (Solid (Box 0 0 0)) = a
mappend a b = union [a, b]
mconcat [a] = a
mconcat as = union as


-- | You can use '(#)' to write transformations in a more readable postfix form,
Expand Down