Build #2 for libroman-3.0.1
| Package | libroman-3.0.1 |
|---|
| Install | BuildFailed |
|---|---|
| Docs | NotTried |
| Tests | NotTried |
| Time submitted | 2016-11-23 04:24:28.64366 UTC |
|---|---|
| Compiler | ghc-8.0.1.20161018 |
| OS | linux |
| Arch | x86_64 |
| Dependencies | base-4.9.0.0, split-0.2.3.1 |
| Flags | none |
Code Coverage
No Code Coverage was submitted for this report.
Build log
[view raw]
Resolving dependencies...
Configuring split-0.2.3.1...
Building split-0.2.3.1...
Installed split-0.2.3.1
Configuring libroman-3.0.1...
Building libroman-3.0.1...
Failed to install libroman-3.0.1
Build log ( /home/builder/.cabal/logs/libroman-3.0.1.log ):
cabal: Entering directory '/tmp/cabal-tmp-12675/libroman-3.0.1'
Configuring libroman-3.0.1...
Building libroman-3.0.1...
Preprocessing library libroman-3.0.1...
[1 of 2] Compiling Data.Roman ( src/Data/Roman.hs, dist/build/Data/Roman.o )
src/Data/Roman.hs:35:5: error:
• Constraint ‘Roman r’ in the type of ‘fromRoman’
constrains only the class type variables
Use ConstrainedClassMethods to allow it
• When checking the class method:
fromRoman :: forall r.
Roman r =>
forall b. (Roman r, Integral b) => r -> b
In the class declaration for ‘Roman’
cabal: Leaving directory '/tmp/cabal-tmp-12675/libroman-3.0.1'
cabal: Error: some packages failed to install:
libroman-3.0.1 failed during the building phase. The exception was:
ExitFailure 1
Test log
No test log was submitted for this report.