r.range() → stream
r.range([startValue, ]endValue) → stream
Generate a stream of sequential integers in a specified range.
range takes 0, 1 or 2 arguments:
rangereturns an “infinite” stream from 0 up to and including the maximum integer value;
rangereturns a stream from 0 up to but not including the end value;
rangereturns a stream from the start value up to but not including the end value.
Note that the left bound (including the implied left bound of 0 in the 0- and 1-argument form) is always closed and the right bound is always open: the start value will always be included in the returned range and the end value will not be included in the returned range.
Any specified arguments must be integers, or a
ReqlRuntimeError will be thrown. If the start value is equal or to higher than the end value, no error will be thrown but a zero-element stream will be returned.
Example: Return a four-element range of
[0, 1, 2, 3].
Result (shown as JSON):
[0, 1, 2, 3]
You can also use the limit command with the no-argument variant to achieve the same result in this case:
Example: Return a range from -5 through 5.
[-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5]
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