Failed to build elynx-tree

[rvyhvn]

src/ELynx/Tree/Rooted.hs:173:3: error:
‘liftA2’ is not a (visible) method of class ‘Applicative’
|
173 | liftA2 f ~(Node brX lbX tsX) ~ty@(Node brY lbY tsY) =
| ^^^^^^

src/ELynx/Tree/Rooted.hs:458:3: error:
‘liftA2’ is not a (visible) method of class ‘Applicative’
|
458 | liftA2 f (BranchTree ~(Node brX lbX tsX)) ty@(BranchTree ~(Node brY lbY tsY)) =
| ^^^^^^

src/ELynx/Tree/Rooted.hs:521:3: error:
‘liftA2’ is not a (visible) method of class ‘Applicative’
|
521 | liftA2 f (ZipTree ~(Node brX lbX tsX)) (ZipTree ~(Node brY lbY tsY)) =
| ^^^^^^

src/ELynx/Tree/Rooted.hs:583:3: error:
‘liftA2’ is not a (visible) method of class ‘Applicative’
|
583 | liftA2 f (ZipBranchTree ~(Node brX lbX tsX)) (ZipBranchTree ~(Node brY lbY tsY)) =
| ^^^^^^

[dschrempf]

Hi! Thanks for your interest in elynx-tree! Could you please be a bit more specific? Which version of GHC are you using? Are you compiling with stack or cabal?

[rvyhvn]

my bad, sorry. i didn't use ghc with the LTS version. i was using ghc version 9.4.8, now it works with cabal build elynx. issue closed.

[dschrempf]

Thanks!