One more go on this...
On Tue, Mar 21, 2023 at 1:53 PM Sven Schreiber
<sven.schrei...@fu-berlin.de> wrote:
> <hansl>
> function void level2 (string s2)
> eval exists(s) ? s : "nothing"
> end function
[ BTW note confusion between s2 and s here ]
> function void level1 (string s1[null])
> if !exists(s1)
> string s1 = null # this second null-setting is necessary
> endif
> level2(s1)
> end function
>
> level1()
> </hansl>
The second null-setting is never necessary. Revised version:
<hansl>
function void level2 (string s2[null])
eval exists(s2) ? s2 : "nothing"
end function
function void level1 (string s1[null])
level2(exists(s1) ? s1 : null)
end function
level1()
</hansl>
Allin
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