bitpos

Returns the position of the first bit set to 1 or 0 in a string, or in a substring.

[Redis documentation]


bitpos(key, bit, [options], callback)

Arguments Type Description
key string Key identifier
bit int Bit to search.
Allowed values: 0, 1
options JSON Object Optional parameters
callback function Callback

Options

Option Type Description Default
end int Ending offset -1
queuable boolean Make this request queuable or not true
start int Starting offset 0

Callback Response

Returns an integer containing the first position of the searched bit in the string value.

Usage

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// Using callbacks (NodeJS or Web Browser)
kuzzle.memoryStorage.bitpos('key', 0, function (err, position) {
  // callback called once the action has completed
});

// Using promises (NodeJS only)
kuzzle.memoryStorage.bitpos('key', 0)
  .then(position => {
    // resolved once the action has completed
  });

Callback response:

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0