add xor for 0.5 compatibility

2017-07-05 13:56:01 +02:00 · 2017-07-05 13:56:01 +02:00 · 613ec172bd
parent 1bfbd574ee
commit 613ec172bd
1 changed files with 2 additions and 0 deletions
--- a/src/Groups.jl
+++ b/src/Groups.jl
@ -78,6 +78,8 @@ convert{T<:GSymbol}(::Type{GWord{T}}, s::T) = GWord{T}(T[s])
 #
 ###############################################################################

+xor(a,b) = a $ b
+
 function hash(W::GWord, h::UInt)
    W.modified && reduce!(W)
    return xor(W.savedhash, h)