check if given sets intersect (they have at least one common element)

Parameters

intersect? setA :block
           setB :block

Returns

Examples

copy
intersect? @1..10 @8..12
; => true

intersect? ["one" "two" "three"] ["three" "four" "five"]
; => true

intersect? ["one" "two" "three"] ["four" "five" "six"]
; => false

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