fix incorrect folder name for julia-0.6.x

Former-commit-id: ef2c7401e0876f22d2f7762d182cfbcd5a7d9c70

julia-0.6.3/share/doc/julia/examples/ModInts.jl

@@ -0,0 +1,27 @@
+# This file is a part of Julia. License is MIT: https://julialang.org/license
+
+module ModInts
+export ModInt
+
+import Base: +, -, *, /, inv
+
+struct ModInt{n} <: Integer
+    k::Int
+    ModInt{n}(k) where n = new(mod(k,n))
+end
+
+Base.show{n}(io::IO, k::ModInt{n}) =
+    print(io, get(io, :compact, false) ? k.k : "$(k.k) mod $n")
+
++{n}(a::ModInt{n}, b::ModInt{n}) = ModInt{n}(a.k+b.k)
+-{n}(a::ModInt{n}, b::ModInt{n}) = ModInt{n}(a.k-b.k)
+*{n}(a::ModInt{n}, b::ModInt{n}) = ModInt{n}(a.k*b.k)
+-{n}(a::ModInt{n}) = ModInt{n}(-a.k)
+
+inv{n}(a::ModInt{n}) = ModInt{n}(invmod(a.k, n))
+/{n}(a::ModInt{n}, b::ModInt{n}) = a*inv(b) # broaden for non-coprime?
+
+Base.promote_rule{n}(::Type{ModInt{n}}, ::Type{Int}) = ModInt{n}
+Base.convert{n}(::Type{ModInt{n}}, i::Int) = ModInt{n}(i)
+
+end # module