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RTake

Name - Description Default Type
<input> The sequence from which elements have to be extracted. BytesString[ Any ]
<output> The extracted elements. Any
Indices One or more indices (counted backwards from the last element) to extract from a sequence. None Int[ Int ]&Int&[ Int ]

Works exactly like Take except that the selection indices are counted backwards from the last element in the target sequence. Also, RTake works only on sequences, not on tables.

Examples

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;; RTake on sequences
[10 20 30 40] (RTake 1) (Log)
(Assert.Is 30 :Abort true)
[10 20 30 40] (RTake [0 1]) (Log)
(Assert.Is [40, 30] :Abort true)

;; RTake not valid on tables

;; RTake using a variable as index
1 = .index
[1 2 3 4] (RTake .index) (Log)
(Assert.Is 3 :Abort true)

[info] [shards/General/RTake/1.edn] 30
[info] [shards/General/RTake/1.edn] [40, 30]
[info] [shards/General/RTake/1.edn] 3