No opinion on whether this function exists or not. But, if it did, I think the second argument should be a function, so that conditionality can depend on a property of the first argument.
Allen Madsen http://www.allenmadsen.com On Fri, Oct 8, 2021 at 6:59 AM 'Damir' via elixir-lang-core < elixir-lang-core@googlegroups.com> wrote: > Often I have a function that I want to apply to a pipeline conditionally. > I'm forced not to either write a "maybe_do_x" function or use an inline > check with then/2. > > Now that we have then/2, I'm thinking it might be nice to have then/3 so > that we don't need "maybe_" functions anymore, improving composability. > Example usage: > > y_needed = # true or false > > some_value > |> do_something() > |> then(y_needed, &write_y(&1, arg0, arg1) ) > > -- > You received this message because you are subscribed to the Google Groups > "elixir-lang-core" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to elixir-lang-core+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/elixir-lang-core/9b4501b4-e114-4421-b61a-74240d160a15n%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/9b4501b4-e114-4421-b61a-74240d160a15n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "elixir-lang-core" group. To unsubscribe from this group and stop receiving emails from it, send an email to elixir-lang-core+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAK-y3CuZQ7JBAWyjzihVF8iyOMZfkEsc%2Bu16CmVHFyhKPQV6oQ%40mail.gmail.com.
