Sidney Reilley II <[email protected]> skribis:
> The following snippet is taken from Thomas W. Christopher's book,
> "Icon Programming Language Handbook", page 36
>
> [quote]
> The to operator associates to the left, e.g.,
>
> every writes(" ",1 to 2 to 3)
> [/quote]
>
> I don't understand how the following produces:
>
> 12323
>
> I'm reading the above code as:
>
> write "each" integer 1 and 2 then "each" integer 2 and 3
>
> So I'm thinking the result should be:
>
> 1223
>
> but obviously I'm wrong, and I'm missing a piece of the puzzle.
every writes(" ",(1 to 2) to 3)
First tries (1 to 3) then tries (2 to 3), before failing, giving "1 2
3" followed by "2 3".
every writes(" ", 1 to (2 to 3))
would try (1 to 2) and then (1 to 3), giving "1 2" followed by "1 2 3".
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