[Haskell-cafe] Difference between div and /
Aaron D. Ball
aarondball+haskell at gmail.com
Tue Jun 1 15:20:27 EDT 2010
> What does (stdin + stderr) `mod` stdout mean (result will be stdin).
In my GHCi (6.12.1) with System.IO, this fails because Handle is not a
numeric type. What implementation are you using?
The underlying object here is a Unix file descriptor, which is just a
number. In that sense, stdin is 0, stdout is 1, and stderr is 2, so
this would be (0 + 2) (mod 1) = 0.
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