32 lines
662 B
Plaintext
32 lines
662 B
Plaintext
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{{alias}}()
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Returns an accumulator function which incrementally computes a range.
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If provided a value, the accumulator function returns an updated range. If
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not provided a value, the accumulator function returns the current range.
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If provided `NaN`, the range is `NaN` for all future invocations.
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Returns
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-------
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acc: Function
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Accumulator function.
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Examples
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--------
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> var accumulator = {{alias}}();
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> var v = accumulator()
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null
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> v = accumulator( -2.0 )
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0.0
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> v = accumulator( 1.0 )
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3.0
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> v = accumulator( 3.0 )
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5.0
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> v = accumulator()
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5.0
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See Also
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--------
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