Re: [julia-users] How to test if a type is concrete?

[Yichao Yu]

On Fri, Apr 1, 2016 at 8:32 AM, jw3126 <jw3...@gmail.com> wrote:
> How to check if a Type is concrete? e.g.
>
> isconcrete(Array{Float64, 1})
> true
> isconcrete(Int)
> false

isleaftype

>
>
> Also is there an established way to check if the return value of a function
> is type stable for given input? (e.g. check if @code_warntype shows return
> type in ALL CAPS.)

For testing, use @inferred