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Jetpack/Collections: Difference between revisions
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→Operators
m (→Operators) |
m (→Operators) |
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All operators observe the original collections they are constructed from, and adapt the result based on changes, and notify any observers that are registered on the operator result collection. | All operators observe the original collections they are constructed from, and adapt the result based on changes, and notify any observers that are registered on the operator result collection. | ||
* + | |||
* Returns a collection that contains all values from coll1 and coll2. | * Returns a collection that contains all values from coll1 and coll2. | ||
* If the same item is in both coll1 and coll2, it will be added only once. | * If the same item is in both coll1 and coll2, it will be added only once. | ||
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TODO rename? mergeColl | TODO rename? mergeColl | ||
* + | |||
* Returns a collection that contains all values from coll1 and coll2. | * Returns a collection that contains all values from coll1 and coll2. | ||
* If the same item is in both coll1 and coll2, it will be added twice. | * If the same item is in both coll1 and coll2, it will be added twice. | ||
* The result is simply coll2 is simply appended to coll1. | |||
* | * | ||
* @param coll1 {Collection} | * @param coll1 {Collection} | ||
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TODO rename? concatColl or appendColl | TODO rename? concatColl or appendColl | ||
* - | |||
* Returns a collection that contains all values from collBase, | * Returns a collection that contains all values from collBase, | ||
* apart from those in collSubtract. | * apart from those in collSubtract. | ||
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function subtractColl(collBase, collSubtract) | function subtractColl(collBase, collSubtract) | ||
* & | |||
* Returns a collection that contains all values that are contained | * Returns a collection that contains all values that are contained | ||
* in *both* coll1 and coll1. | * in *both* coll1 and coll1. | ||