Update src/rng.jl

Author: yebai

src/rng.jl

@@ -34,7 +34,8 @@ Base.rand(rng::TracedRNG, ::Type{T}) where {T} = Base.rand(rng.rng, T)
 Split `key` into `n` new keys
 """
 function split(key::Integer, n::Integer=1)
-    return [hash(key, i) for i in UInt(1):UInt(n)]
+    T = typeof(key) # Make sure the type of `key` is consistent on W32 and W64 systems. 
+    return T[hash(key, i) for i in UInt(1):UInt(n)]
 end
 
 """