Fix CI

Author: harpocrates

.travis.yml

@@ -11,7 +11,7 @@ env:
 # Allow for develop branch to break
 matrix:
   allow_failures:
-   - env: GHCVER=head CABALVER=head
+   - env: GHCVER=head   CABALVER=head
 
 # Manually install ghc and cabal
 before_install:

language-rust.cabal

@@ -31,6 +31,9 @@ library
   hs-source-dirs:      src
 
   ghc-options:         -Wall
+
+  if impl(ghc >= 8)
+    ghc-options:
                        -Wincomplete-patterns
                        -Wincomplete-uni-patterns
                        -Wmissing-signatures

src/Language/Rust/Parser/Internal.y

@@ -449,7 +449,8 @@ generic_values :: { Spanned ([Lifetime Span], [Ty Span], [(Ident, Ty Span)]) }
   | lt_ty_qual_path                                ',' sep_by1T(binding,',') gt '>' { Spanned ([],            [unspan $1],toList $3) ($1 # $>) }
   | lt_ty_qual_path                                                          gt '>' { Spanned ([],            [unspan $1],[]       ) ($1 # $>) }
 
-binding : ident '=' ty                             { (unspan $1, $3) }
+binding :: { (Ident, Ty Span) }
+  : ident '=' ty                             { (unspan $1, $3) }
 
 
 -- Type related: