Conditional structures: Difference between revisions
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* in PL/I there is no fall-through to the next '''when'''. When execution reaches the end of a matching clause, it continues after the end of the select statement, not in the code for the next case. |
* in PL/I there is no fall-through to the next '''when'''. When execution reaches the end of a matching clause, it continues after the end of the select statement, not in the code for the next case. |
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* the '''do''' ... '''end''' statements can be omitted if the when clause is |
* the '''do''' ... '''end''' statements can be omitted if the when clause is a single statement. |
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* if no '''other''' (or in full: '''otherwise''') statement is present and none of the '''when''' cases is matched, the program will end in error. |
* if no '''other''' (or in full: '''otherwise''') statement is present and none of the '''when''' cases is matched, the program will end in error. |
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