without resorting to indices? (I’m drawing a blank.)
Here’s my solution. It may be naive, but it passes your tests:
class Array
def interval_containing(num)
return [max] if num >= self.max
return [min] if num <= self.min
values_at((num.floor)…(num.ceil))
end
end
C:>ruby test.rb
Loaded suite test
Started
.
Finished in 0.0 seconds.
1 tests, 7 assertions, 0 failures, 0 errors
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