Note difference in behavior of range operator (..) #247
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In particular note that the behavior of (a..b) differs from [a..b] when b is smaller than a.
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In particular note that the behavior of (a..b) differs from [a..b] when
b is smaller than a.
This difference in behavior has cost a couple hours last week when I had to debug a piece of code I had ported from Haskell.