[Haskell-cafe] Re: The Opposite of $

[Alan Hawkins]

|> is not defined in the prelude but can be defined as 

let (|>) = flip ($)

to make it the opposite of $ which means the syntax looks more like the
 Unix pipe '|' command

eg. 
filter  (\x-> x >3 && x < 7) $ [1..10] ++ [5]
[1..10] ++ [5] |> filter  (\x-> x >3 && x < 7)

res: [4,5,6]

note that with the |> the function applications are read as naturally
 left to right as apposed to the 
$ which reads left to right. a style more in line with the syntax f (x)





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