Do we want to use #=> instead of => to make it clear it isn't showing some kind of map like syntax?
On Friday, July 15, 2016 at 9:14:05 AM UTC-4, Eric Meadows-Jönsson wrote: > > Another reason for the tag is that you can use it in a pipeline. If I have > long pipeline I am debugging I like to sprinkle some `|> IO.inspect` > between the lines to see what's going on in each pipeline stage. And when > piping it's of course not possible to wrap the value in a tuple. > > Big +1 from me for this feature. > > On Fri, Jul 15, 2016 at 12:11 PM, Michał Muskała <[email protected] > <javascript:>> wrote: > >> Ok, I will work on it. >> >> On 15 Jul 2016, at 12:07, José Valim <[email protected] >> <javascript:>> wrote: >> >> Good points Andrea. Yes, let's ship this then. >> >> >> >> *José Valim* >> www.plataformatec.com.br >> Skype: jv.ptec >> Founder and Director of R&D >> >> On Fri, Jul 15, 2016 at 12:00 PM, Andrea Leopardi <[email protected] >> <javascript:>> wrote: >> >>> I love this feature, but I am against wrapping in a tuple because then >>> you may wonder if you are inspecting a tuple or something with :tag. >>> Instead, if you have "my list: ..." it will not be like any other inspected >>> term, so very easy to understand. Wdyt? :) >>> >>> >>> Andrea Leopardi >>> [email protected] <javascript:> >>> >>> On Fri, Jul 15, 2016 at 11:57 AM, José Valim < >>> [email protected] <javascript:>> wrote: >>> >>>> I like this suggestion. I am wondering though if the tagging should be >>>> done by wrapping the input in a tuple: >>>> >>>> IO.inspect([1, 2, 3], tag: “my list”) >>>> #=> {"my list", [1, 2, 3]} >>>> >>>> >>>> If not, we should probably just print: "my list: [1, 2, 3]". >>>> >>>> >>>> >>>> *José Valim* >>>> www.plataformatec.com.br >>>> Skype: jv.ptec >>>> Founder and Director of R&D >>>> >>>> On Fri, Jul 15, 2016 at 11:50 AM, Michał Muskała <[email protected] >>>> <javascript:>> wrote: >>>> >>>>> Hello everybody. >>>>> >>>>> IO.inspect/2 is one of the most useful debugging tools, and I use it >>>>> extremely often. The ability to stick `|> IO.inspect` in pretty much >>>>> every >>>>> part of the program is really powerful. Unfortunately when having >>>>> multiple >>>>> such calls it becomes hard to distinguish which output matches which call. >>>>> The usual way to solve this is by inspecting something like {tag_name, >>>>> value} instead of just value, but this has the unfortunate effect of >>>>> breaking the pipe-ability and forces you to assign things into specific >>>>> variables. >>>>> >>>>> I propose we add an option to IO.inspect called tag. It would simply >>>>> print the tag before the output. How would it look like? >>>>> >>>>> IO.inspect([1, 2, 3], tag: “my list”) >>>>> >>>>> would print: >>>>> >>>>> my list => [1, 2, 3] >>>>> >>>>> The return value would obviously not change, so it would still be a >>>>> list [1, 2, 3] in that case. This still allows IO.inspect to be pipe-able >>>>> and gives us easily distinguishable output at the same time. I think this >>>>> would streamline the debugging experience and make IO.inspect even more >>>>> powerful. >>>>> >>>>> Michał. >>>>> >>>>> -- >>>>> 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] <javascript:>. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/elixir-lang-core/E807B41E-B89A-43CD-B55D-60A742B55BBC%40muskala.eu >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> >>>> >>>> -- >>>> 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] <javascript:>. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BUhyhgMDdNy0gJk2Pm_eafm_n6SBViXmjiq8AWepEBeQ%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4%2BUhyhgMDdNy0gJk2Pm_eafm_n6SBViXmjiq8AWepEBeQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> >>> -- >>> 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] <javascript:>. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/elixir-lang-core/CAM9Rf%2BL60EKrTAaP0VZ%2BcsSnff5ffQuZVHOkS__qQdBTRmJi1Q%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/elixir-lang-core/CAM9Rf%2BL60EKrTAaP0VZ%2BcsSnff5ffQuZVHOkS__qQdBTRmJi1Q%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> >> -- >> 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] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4KMZhzMGNCjoTRahwwmQzfc%2BPN6qsCTG54vJp12jjR2rA%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4KMZhzMGNCjoTRahwwmQzfc%2BPN6qsCTG54vJp12jjR2rA%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> 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] <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/elixir-lang-core/A8797967-516A-408E-B4E5-C4E82794E184%40muskala.eu >> >> <https://groups.google.com/d/msgid/elixir-lang-core/A8797967-516A-408E-B4E5-C4E82794E184%40muskala.eu?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > > > -- > Eric Meadows-Jönsson > -- 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/dbb8fc73-3bee-4ef3-9c13-2fcd60a4a0ff%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
