From: Shugo Maeda <redmine@...>
Date: 2012-03-17T00:35:53+09:00
Subject: [ruby-core:43349] [ruby-trunk - Bug #6159] Enumerable::Lazy#inspect


Issue #6159 has been updated by Shugo Maeda.


Benoit Daloze wrote:
> So something like: #<Enumerator::Lazy: 1..5:each> or #<Enumerator::Lazy: #<Enumerator: 1..5:each>>
> 
> It would also be nice to show the chaining, like Enumerator does:
> 
>     (1..5).select.map.flat_map # => #<Enumerator: #<Enumerator: #<Enumerator: 1..5:select>:map>:flat_map> 
> 
> What do you think?

I agree that It would be nice.  However, unlike Enumerator, Enumerator::Lazy doesn't have enough information, so it needs to have some information only for inspect.  Is it so important to make inspect rich?
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Bug #6159: Enumerable::Lazy#inspect
https://bugs.ruby-lang.org/issues/6159#change-24653

Author: Benoit Daloze
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: 2.0.0
ruby -v: ruby 2.0.0dev (2012-03-15 trunk 35042) [x86_64-darwin10.8.0]


Hello,

Enumerable::Lazy#inspect is undefined right now and relies on Enumerator#inspect:

    (1..5).lazy # => #<Enumerator::Lazy: #<Enumerator::Generator:0x00000101a2f9e8>:each>

I think it would be nice to be similar to (direct) Enumerator#inspect:

    (1..5).each # => #<Enumerator: 1..5:each>

So something like: #<Enumerator::Lazy: 1..5:each> or #<Enumerator::Lazy: #<Enumerator: 1..5:each>>

It would also be nice to show the chaining, like Enumerator does:

    (1..5).select.map.flat_map # => #<Enumerator: #<Enumerator: #<Enumerator: 1..5:select>:map>:flat_map> 

What do you think?


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