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Re: Re: Why I Hate Nested If-Else blocks

by mstone (Deacon)

on Jan 05, 2002 at 04:20 UTC ( #136426=note: print w/ replies, xml )

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    if ($a) {
        if ($b) {
...
            &S4;
        }
    }

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                                   +-----(b)->[S1]--+
                                   |                |
...
              +-(not-a)->[test c]--+                |--+
                                   |                |
                                   +-(not-c)->[S4]--+

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                             +-----(b)->[S1]-+
                             |               |
...
         +-(not-a)->[test c]-+                 |
                             |                 |
                             +-(not-c)->[S4]---+

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                               +-----(b)->[S1]->[S5]-+
                               |                     |
...
          +-(not-a)->[test c]--+                     |--+
                               |                     |
                               +-(not-c)->[S4]->[S6]-+

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