Updated to run on current master

Remove try-end block in runtests.jl after
JuliaLang/julia#20103 is fixed.

Author: mauro3

src/SimpleTraits.jl

@@ -27,7 +27,7 @@ where X and Y are the types involved in the trait.
 (SUPER is not used here but in Traits.jl, thus retained for possible
 future compatibility.)
 """
-abstract Trait{SUPER}
+abstract Trait #{SUPER}
 
 """
 The set of all types not belonging to a trait is encoded by wrapping

test/runtests.jl

@@ -1,7 +1,7 @@
 using SimpleTraits
 using Base.Test
 
-trait = SimpleTraits.trait
+const trait = SimpleTraits.trait
 
 # @test_throws MethodError trait(4)
 @test_throws ErrorException istrait(4)
@@ -80,18 +80,24 @@ type C9<:A9 end
 
 # This will overwrite the definition def1 above
 
-VERSION>=v"0.5" && println("\nOne warning expected:")
-@traitfn f{X; !Tr2{X,X}}(x::X) = 10
-@traitfn f{X; Tr2{X,X}}(x::X) = 100
+VERSION>=v"0.5" && VERSION<v"0.6-dev" && println("\nOne warning expected:")
+try # https://github.com/JuliaLang/julia/issues/20103
+    @traitfn f{X; !Tr2{X,X}}(x::X) = 10
+end
+try # https://github.com/JuliaLang/julia/issues/20103
+    @traitfn f{X; Tr2{X,X}}(x::X) = 100
+end
 @test f(5)==10
 @test f(5.)==10
 @traitimpl Tr2{Integer, Integer}
 @test f(5.)==10
-@test !(f(5)==100)
-# needed to update method cache:
-VERSION>=v"0.5" && println("\nTwo warnings expected:")
-@traitfn f{X; Tr2{X,X}}(x::X) = 100
-println("")
+if VERSION<v"0.6-dev"
+    @test !(f(5)==100)
+    # needed to update method cache:
+    VERSION>=v"0.5" && println("\nTwo warnings expected:")
+    @traitfn f{X; Tr2{X,X}}(x::X) = 100
+    println("")
+end
 @test f(5)==100
 @test f(5.)==10