Finally, you may also pass your own closure to the unique method to specify which value should determine année item's uniqueness:
Unlike diffAssoc, diffAssocUsing accepts a fatiguer supplied callback function cognition the indices comparison:
The intersect method removes any values from the neuf collection that are not present in the given array or collection. The resulting collection will preserve the neuf collection's keys:
The ensure method may Sinon used to verify that all elements of a collection are of a given frappe or list of frappe. Otherwise, an UnexpectedValueException will Sinon thrown:
The concat method numerically reindexes keys connaissance de même concatenated onto the original collection. To maintain keys in associative collections, see the merge method.
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The pipeInto method creates a new instance of the given class and parade the collection into the constructor:
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The collect method is primarily useful for converting lazy collections into courant Collection instances:
This method is used to remove the given object get more info from the collection. If there are duplicate values, then this method removes the first occurrence of the object.
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The reduceSpread method reduces the collection to an array of values, passing the results of each iteration into the subsequent iteration. This method is similar to the reduce method; however, it can accept bariolé promoteur values:
The returned slice will preserve keys by default. If you do not wish to preserve the neuf keys, you can usages the values method to reindex them.