I use IO.inspect(binding()) a lot. Although I don't think IO.inspect_vars would be a thing since it would need to be a macro and having to require it before would probably lose its appeal (and we don't plan to require anything other than Kernel by default).
*José Valimwww.plataformatec.com.br <http://www.plataformatec.com.br/>Founder and Director of R&D* On Sat, Oct 14, 2017 at 5:44 AM, Myron Marston <[email protected]> wrote: > IO.inspect has long been my go-to technique for troubleshooting code that > isn’t quite working how I would expect. Since the :label option was added > in 1.4, I use that all the time, too. The majority of the time, I use it to > inspect one or more variables like so: > > IO.inspect(foo, label: "foo")IO.inspect(bar, label: "bar") > > However, I often find my self making simple, dumb mistakes when setting > this up, such as copying and pasting a prior IO.inspect line, but > forgetting to update the label, e.g.: > > IO.inspect(foo, label: "foo")IO.inspect(bar, label: "foo") # woops, the > output will label this as `foo`, too! > > Given how common this pattern is, it would be really nice if there was a > function or macro to do this for us. I’m thinking something like: > > # inspect each variable in the current scope, labeling each with its > nameIO.inspect_vars(:all) > # inspect just the provided variables, labeling eachIO.inspect_vars([foo, > bar]) > # inspect all variables in the current scope, except the provided ones, > labeling eachIO.inspect_vars(except: [foo, bar]) > > I can also imagine it supporting a label option, to put a title above the > list of variables, in order to distinguish multiple variable reports. > > Would others find this as useful as I would? Is there interest in it being > added to Elixir? > > Thanks! > Myron > > > -- > 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/fd0d67af-3b5f-4ee9-b067- > 8b263ccd1666%40googlegroups.com > <https://groups.google.com/d/msgid/elixir-lang-core/fd0d67af-3b5f-4ee9-b067-8b263ccd1666%40googlegroups.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]. To view this discussion on the web visit https://groups.google.com/d/msgid/elixir-lang-core/CAGnRm4KSmcNtff772p2vhepaqEHhTMuz0ntMU%2BX8U5L6Mukg3Q%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
