The 'SetOnce' attribute lets your class have attributes that are not lazy and not set, but that cannot be altered once set.
The logic is very simple: if you try to alter the value of an attribute with the SetOnce trait, either by accessor or writer, and the attribute has a value, it will throw an exception.
If the attribute has a clearer, you may clear the attribute and set it again.
| Package Version | Update ID | Released | Package Hub Version | Platforms | Subpackages |
|---|---|---|---|---|---|
| 0.203-bp156.2.1 info | GA Release | 2023-07-22 | 15 SP6 |
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| 0.203-bp155.1.5 info | GA Release | 2023-05-17 | 15 SP5 |
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| 0.201-bp154.1.17 info | GA Release | 2022-05-09 | 15 SP4 |
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| 0.200002-bp153.1.13 info | GA Release | 2021-03-06 | 15 SP3 |
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| 0.200002-bp152.3.14 info | GA Release | 2020-04-17 | 15 SP2 |
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| 0.200002-bp151.3.1 info | GA Release | 2019-07-16 | 15 SP1 |
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| 0.200002-bp151.2.11 info | GA Release | 2019-05-18 | 15 SP1 |
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| 0.200002-bp150.2.4 info | GA Release | 2018-07-30 | 15 |
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