Enumeration type, indicating what to do with duplicates in a list.
Source position: types.pp line 334
type TDuplicates = ( |
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dupIgnore, |
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Ignore the new item, do not add it to the list. |
dupAccept, |
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Accept duplicates, adding them to the list. |
dupError |
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Raise an error when an attempt is made to add a duplicate. |
); |
TDuplicates can be used to indicate how a list structure acts on the addition of a duplicate item to the list.