Flowdock
===(p1) public

Returns true if obj is an element of rng, false otherwise. Conveniently,

is the comparison operator used by

case statements.

case 79
when 1..50   then   print "low\n"
when 51..75  then   print "medium\n"
when 76..100 then   print "high\n"
end

produces:

high
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