Hi,
My variable `check1` is a string. It is either the empty string (for invalid/false answer) or a non-empty string for a valid/true input. If it is valid, I want to return it. I wrote this code:
ret:$l(check1) check1I do not like it once because it repeats the variable, but the main reason I do not like it is that if I do not insert the check $length(string) it will return false even for non-empty strings (due to conversion to integers for string prefixes).
I would like to ask you whether is there some nicer form in mumps to check for the non-empty strings than checking their le
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