spop #
Removes and returns one or more elements at random from a set of unique values.
spop(key, [options], [callback]) #
Arguments | Type | Description |
---|---|---|
key | string | Key identifier |
options | JSON Object | Optional parameters |
callback | function | Callback |
Options #
Option | Type | Description | Default |
---|---|---|---|
count | int | Number of elements to remove | 1 |
queuable | boolean | Make this request queuable or not | true |
Return Value #
Returns the MemoryStorage
object to allow chaining.
Callback Response #
Returns an array of removed elements.
Usage #
// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.spop('key', function (err, elements) {
// callback called once the action has completed
});
// Using promises (NodeJS only)
kuzzle.memoryStorage.spopPromise('key')
.then(elements => {
// resolved once the action has completed
});
Callback response:
["removed element"]
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