[Info-vax] Userland programming languages on VMS.

[Arne Vajhøj]

On 2/4/2022 4:13 PM, Phillip Helbig (undress to reply) wrote:
> In article <61fd68e5$0$699$14726298 at news.sunsite.dk>,
> =?UTF-8?Q?Arne_Vajh=c3=b8j?= <arne at vajhoej.dk> writes:
>> On 2/4/2022 12:36 PM, Phillip Helbig (undress to reply) wrote:
>>> In article <61fc2d6d$0$700$14726298 at news.sunsite.dk>,
>>> =?UTF-8?Q?Arne_Vajh=c3=b8j?= <arne at vajhoej.dk> writes:
>>>> There is no argument type check between caller and called
>>>> in Fortran.
>>>
>>> There has been since Fortran90.
>>
>> I do not see that.
> 
> You need to have an explicit interface.

OK.

program ts
    interface
       subroutine f(x)
          integer (kind=4) x
       end subroutine
    end interface
    real (kind=4) x
    x = 123.456
    call f(x)
end

does give an error.

So Fortran 90 is up at the C level.

But that is still pretty bad compared to most other
languages.

Arne