From: Fuad Saud <fuadksd@...>
Date: 2013-09-11T13:55:33-03:00
Subject: [ruby-core:57144] Re: [CommonRuby - Feature #8896] #tap with missing block

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#tap without a block returning self makes sense

-- 
Fuad Saud
Sent with Sparrow (http://www.sparrowmailapp.com/?sig)


On Wednesday, September 11, 2013 at 1:54 PM, prijutme4ty (Ilya Vorontsov) wrote:

> 
> Issue #8896 has been updated by prijutme4ty (Ilya Vorontsov).
> 
> 
> > I would like to see tap return an Enumerator if a block is not passed.
> Can you explain your suggestion a bit more? I can't imagine realization and use-case yet.
> ----------------------------------------
> Feature #8896: #tap with missing block
> https://bugs.ruby-lang.org/issues/8896#change-41756
> 
> Author: prijutme4ty (Ilya Vorontsov)
> Status: Open
> Priority: Normal
> Assignee: 
> Category: 
> Target version: 
> 
> 
> In case when no block provided to tap, it fails. So if you want method which can be called with or without block - you can't do it like this:
> 
> def self.create(args={}, &block)
> new.set_attributes(args).tap(&block)
> end
> 
> but should use block_defined? to prevent #tap's failure.
> 
> I suggest to make tap with no block given just to return self and raise no errors.
> 
> 
> 
> -- 
> http://bugs.ruby-lang.org/
> 
> 



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                <div style=3D=22font-family: Helvetica; font-size: 13px; =
=22>=23tap without a block returning self makes sense<br></div>
                <div><div><br></div><div>--&nbsp;</div><div>=46uad Saud</=
div><div>Sent with <a href=3D=22http://www.sparrowmailapp.com/=3Fsig=22>S=
parrow</a></div><div><br></div></div>
                =20
                <p style=3D=22color: =23A0A0A8;=22>On Wednesday, Septembe=
r 11, 2013 at 1:54 PM, prijutme4ty (Ilya Vorontsov) wrote:</p>
                <blockquote type=3D=22cite=22 style=3D=22border-left-styl=
e:solid;border-width:1px;margin-left:0px;padding-left:10px;=22>
                    <span><div><div><div><br></div><div>Issue =238896 has=
 been updated by prijutme4ty (Ilya Vorontsov).</div><div><br></div><div><=
br></div><blockquote type=3D=22cite=22><div>I would like to see tap retur=
n an Enumerator if a block is not passed.</div></blockquote><div>Can you =
explain your suggestion a bit more=3F I can't imagine realization and use=
-case yet.</div><div>----------------------------------------</div><div>=46=
eature =238896: =23tap with missing block</div><div><a href=3D=22https://=
bugs.ruby-lang.org/issues/8896=23change-41756=22>https://bugs.ruby-lang.o=
rg/issues/8896=23change-41756</a></div><div><br></div><div>Author: prijut=
me4ty (Ilya Vorontsov)</div><div>Status: Open</div><div>Priority: Normal<=
/div><div>Assignee: </div><div>Category: </div><div>Target version: </div=
><div><br></div><div><br></div><div>In case when no block provided to tap=
, it fails. So if you want method which can be called with or without blo=
ck - you can't do it like this:</div><div><br></div><div>def self.create(=
args=3D=7B=7D, &amp;block)</div><div>  new.set=5Fattributes(args).tap(&am=
p;block)</div><div>end</div><div><br></div><div>but should use block=5Fde=
fined=3F to prevent =23tap's failure.</div><div><br></div><div>I suggest =
to make tap with no block given just to return self and raise no errors.<=
/div><div><br></div><div><br></div><div><br></div><div>-- </div><div><a h=
ref=3D=22http://bugs.ruby-lang.org=22>http://bugs.ruby-lang.org</a>/</div=
></div></div></span>
                =20
                =20
                =20
                =20
                </blockquote>
                =20
                <div>
                    <br>
                </div>
            
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