You can sort of do this with `Stream.repeatedly(fn -> :something end) |> Enum.take(5)`. It's a little longer, although it reads rather nicely.
On Friday, March 29, 2019 at 7:48:54 AM UTC-4, Hylke Alons wrote: > > Hah, this is great! thanks! > > On Friday, 29 March 2019 12:47:14 UTC+1, Wojtek Mach wrote: >> >> iex(1)> List.duplicate(:something, 5) >> [:something, :something, :something, :something, :something] >> >> :-) >> >> Hi there, >>> >>> I would like to know your opinion about an `Enum.repeat/2` function. In >>> test, I notice often that I write: >>> >>> Enum.map(1..5, fn(_) -> :something end) >>> [:something, :something, :something, :something, :something] >>> >>> or >>> >>> for (_ Enter code here... <- 1..5), do: :something >>> => [:something, :something, :something, :something, :something] >>> >>> As I am not interested in the value of the input, I think a >>> `Enum.repeat/2` function would be more efficient: >>> Enum.repeat(5, fn -> :something end) >>> => [:something, :something, :something, :something, :something] >>> >>> >>> I am aware that `Enum.times/2` is deprecated in the past in favour of >>> ranges. I want to highlight that in that function, the value was passed to >>> the function. >>> >>> >>> What is your take? Or perhaps I overlooked a function? >>> >> -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/aee223df-0161-4c16-96e2-eb936c18d456%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
