[ruby-core:97346] [Ruby master Feature#16667] Allow parameters to Symbol#to_proc and Method#to_proc

Issue #16667 has been updated by jgomo3 (Jes俍 Gez).


Hanmac (Hans Mackowiak) wrote in #note-8:
> @jgomo3 i found my old Symbol#call code
> 

Great helper.

Well, that is another way.

So yes, the whole point of this ticket is to propose to allow that kind of expressions.

In other words, to enable us programmers to prepare, to "partially" call, or to "curry" better the thing that would be a method call based on a symbol for any purpose.

So e.g, using the extension designed by (Hans Mackowiak), my example use case would be:

```ruby
ary.map(&:dig.(:thing, :id))
```

And for getting the partial proc:

```ruby
dig_thing_and_id = :dig.(:thing, :id).to_proc
```

And for comparison, the idea as I explained:

```ruby
ary.map(&:dig.to_proc(:thing, :id))
dig_thing_and_id = :dig.to_proc(:thing, :id)
```


----------------------------------------
Feature #16667: Allow parameters to Symbol#to_proc and Method#to_proc
https://bugs.ruby-lang.org/issues/16667#change-84466

* Author: jgomo3 (Jes俍 Gez)
* Status: Open
* Priority: Normal
----------------------------------------
Allow parameters to Symbol#to_proc and Method#to_proc

So we can say:

``` ruby
ary.map(:dig.to_proc(:id))
```


Instead of

``` ruby
ary.map { |e| e.dig(:id) }
```


Oppening the posibilities to refine the `&` operator in the future, for something like:


``` ruby
ary.map(&(:dig, :id))
```

Related:

* https://bugs.ruby-lang.org/issues/11161
* https://bugs.ruby-lang.org/issues/16435



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