Ralf Hemmecke wrote:
>
> in the BOOT code below, there is "=> return nil".
> Obviously, I shouldn't interpret the code as if it where SPAD code,
> because then either
>
> a) the while loop ends with lines=nil and the following "null lines"
> would let the function return with result nil, or
> b) substring?(header,line,k) is true and checkExtract returns nil.
>
> Seems that "return" inside a while loop after "=>" is a no-op.
return exits current block, in this case loop. In Spad you
would use break (however, return can give back walue, break
is unable to do so).
--
Waldek Hebisch
[email protected]
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