From: "matheusrich (Matheus Richard) via ruby-core" Date: 2024-06-21T04:55:14+00:00 Subject: [ruby-core:118367] [Ruby master Feature#20580] Pipe Operator accepting lambda Issue #20580 has been updated by matheusrich (Matheus Richard). > I call methods much more frequently than lambdas, so I'm not sure how much this syntax would improve my life. Agreed. It would be more useful if we had a syntax for getting a method from an object (like [we once had](https://blog.saeloun.com/2019/02/26/ruby-2-7-method-shorthand/)). ---------------------------------------- Feature #20580: Pipe Operator accepting lambda https://bugs.ruby-lang.org/issues/20580#change-108874 * Author: martinosis (Martin Chabot) * Status: Open ---------------------------------------- I think that the pipe operator was not reflecting the actual pipe operator in functional programming language. In Elixir, Elm, F# etc. The pipe operator takes a value and applies it on the lambda at the right of the operator. Example ``` add_one = -> a { a + 1 } add_two = -> a { a + 2 } 2 |> add_one |> add_two == 5 ``` In combination with the >> operator, some interesting thing can be done. ``` 2 |> add_one >> add_two ``` you can refactor to ``` add_tree = add_one >> add_two 2 |> add_tree ``` I currently use the `then` method on Object to do the equivalent. However this takes more characters and you need to put the closing bracket at the end of the line. ``` 2.then(&add_one >> add_tree) ``` -- https://bugs.ruby-lang.org/ ______________________________________________ ruby-core mailing list -- ruby-core@ml.ruby-lang.org To unsubscribe send an email to ruby-core-leave@ml.ruby-lang.org ruby-core info -- https://ml.ruby-lang.org/mailman3/postorius/lists/ruby-core.ml.ruby-lang.org/