17 lines
No EOL
343 B
Standard ML
17 lines
No EOL
343 B
Standard ML
(*
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Pipe operator.
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Simply to write code like "data |> fun" instead "fun data".
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Then you can "pipe" results to functions via partial application:
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fun square a b = a * b
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fun sum a b = a + b
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10 |> sum 10 |> square 2 // 40
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*)
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fun |> (x, f) = f x
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(* composition operator *)
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fun $ (f, x) = f x
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infix |>
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infix $ |