23s2s

✏️ Editing: combination-i.yaml

--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
 body: When invoked with a block, yields all combinations of length n of elements from ary and then returns ary itself. The implementation makes no guarantees about the order in which the combinations are yielded.
- !ruby/struct:SM::Flow::P 
 body: When invoked without a block, returns an enumerator object instead.
- !ruby/struct:SM::Flow::P 
 body: "Examples:"
- !ruby/struct:SM::Flow::VERB 
 body: " a = [1, 2, 3, 4]\n a.combination(1).to_a #=&gt; [[1],[2],[3],[4]]\n a.combination(2).to_a #=&gt; [[1,2],[1,3],[1,4],[2,3],[2,4],[3,4]]\n a.combination(3).to_a #=&gt; [[1,2,3],[1,2,4],[1,3,4],[2,3,4]]\n a.combination(4).to_a #=&gt; [[1,2,3,4]]\n a.combination(0).to_a #=&gt; [[]] # one combination of length 0\n a.combination(5).to_a #=&gt; [] # no combinations of length 5\n"
full_name: Array#combination
is_singleton: false
name: combination
params: |
 ary.combination(n) { |c| block } -> ary
 ary.combination(n) -> enumerator

visibility: public

Sid Gifari From Gifari Industries - BD Cyber Security Team