On 7/24/17 1:29 PM, Dgame wrote: > Why isn't the compiler able to deduce S[] => I[]? Or is it just me? > I've tried dmd 2.075 I know you got the explanation already, but just in case you actually need to call something like test1 but only have an S[]: test1(ss.map!((I i) => i).array) -Steve