add // to fallback operate

Author: kalmarek

src/interface.jl

@@ -160,7 +160,9 @@ function operate(
 ) where {N}
     return op(x, y, args...)
 end
-operate(op::Union{typeof(-),typeof(/)}, x, y) where {N} = op(x, y)
+function operate(op::Union{typeof(-),typeof(/),typeof(//)}, x, y)
+    return op(x, y)
+end
 operate(::typeof(convert), ::Type{T}, x) where {T} = convert(T, x)
 operate(::typeof(convert), ::Type{T}, x::T) where {T} = copy_if_mutable(x)