gh-123786: Clarify else clause in loop statements
#123787
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…t be paired with a break
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Can you add the issue number to the title? |
nedbat
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Sep 6, 2024
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| In either kind of loop, the :keyword:`!else` clause is **not** executed | ||
| if the loop was terminated by a :keyword:`break`. |
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We should keep this sentence. It underscores the semantics.
nedbat
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Sep 6, 2024
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| In a :keyword:`for` loop, the :keyword:`!else` clause is executed | ||
| after the loop reaches its final iteration. | ||
| after the loop reaches its final iteration if no break occurred. |
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Suggested change
| after the loop reaches its final iteration if no break occurred. | |
| after the loop finishes its final iteration, that is, if no break occurred. |
I think this is clearer.
nedbat
reviewed
Sep 6, 2024
| @@ -166,15 +166,13 @@ arguments. In chapter :ref:`tut-structures`, we will discuss in more detail abo | |||
| The :keyword:`break` statement breaks out of the innermost enclosing | |||
| :keyword:`for` or :keyword:`while` loop. | |||
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| A :keyword:`!for` or :keyword:`!while` loop can include an :keyword:`!else` clause. | |||
| The :keyword:`!break` statement may be paired with an :keyword:`!else` clause. | |||
| If the loop exits without executing the break, the else clause executes. | |||
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Suggested change
| If the loop exits without executing the break, the else clause executes. | |
| If the loop finishes without executing the break, the else clause executes. |
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I've made a larger change to this section, including these changes, in #123946 |
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elsebranch of aloopstatement #123786📚 Documentation preview 📚: https://cpython-previews--123787.org.readthedocs.build/