You can already do this today with IO.inspect(foo, label: "label") :)

Paul

On Mon, Feb 19, 2018 at 7:32 PM pragdave <[email protected]> wrote:

> When I use IO.inspect in a pipeline, I often find myself wanting to tag
> the output with some kind of label:
>
> ~~~ elixir
> get_name()
> |> IO.inspect()
> |> lookup_score()
> |> IO.inspect
> ~~~
>
> so I sometimes write a trivial helper
>
> ~~~
> def dump(value, label) do
>   IO.puts "#{label}: #{inspect value}"
>   value
> end
> ~~~
>
> This means I can write:
>
> ~~~ elixir
> get_name()
> |> dump("Name is")
> |> lookup_score()
> |> dump("score")
> ~~~
>
> Any chance we could
>
> 1. Add a `label: "text"` option to IO.inspect?
>
> 2. Add a new signature to IO.inspect, so that
>
>   ~~~~
>   def inspect(value, label) when  is_binary(label) do
>     inspect(value, label: label)
>   end
>   ~~~
>
> I'd happily do the PR
>
>
> Dave
>
>
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