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Program Repair Shop

195

Boolean Context

• Use expressions as boolean values

• If you do have flag variables, name them so that this works:

        if ($header_complete) { ... }

        unless ($error_occurred) { ... }

• Rather than this:

        if ($header == 1) { ... }

        if ($error_occurred == 0) { ... }

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Copyright © 2002 M. J. Dominus