group ( seq n -- array )
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groups

Vocabulary
grouping

Inputs

seq	a sequence
n	a non-negative integer

Outputs

array

a sequence of sequences

Word description
Splits the sequence into disjoint groups of n elements and collects the groups into a new array.

Notes
If the sequence length is not a multiple of n, the final subsequence in the list will be shorter than n elements.

Examples

USING: grouping prettyprint ; { 3 1 3 3 7 } 2 group .
{ { 3 1 } { 3 3 } { 7 } }

See also
clump, circular-clump

Definition

USING: grouping.private ;

IN: grouping

: group ( seq n -- array ) [ <groups> ] map-like ; inline