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robb (Robb Shecter)

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02/17/2020

01:30 AM Ruby master Feature #15563: #dig that throws an exception if a key doesn't exist
matz (Yukihiro Matsumoto) wrote in #note-4:
> And with whatever name, we need the real-world use-case for a new meth...
robb (Robb Shecter)
01:05 AM Ruby master Feature #15563: #dig that throws an exception if a key doesn't exist
amcaplan (Ariel Caplan) wrote in #note-13:
> matz (Yukihiro Matsumoto) wrote:
> > [...] with whatever name, we need t...
robb (Robb Shecter)
12:48 AM Ruby master Feature #14602: Version of dig that raises error if a key is not present
amcaplan (Ariel Caplan) wrote:
> The Hash#dig method made it easy to access methods safely from a nested hash; I'd l...
robb (Robb Shecter)

12/28/2018

05:31 AM Ruby master Feature #12282: Hash#dig! for repeated applications of Hash#fetch
Another naming idea is `#fetch_all`, signalling that this is essentially a `#fetch` over a list of keys. robb (Robb Shecter)
05:15 AM Ruby master Feature #12282: Hash#dig! for repeated applications of Hash#fetch
Thanks everyone, for the discussion. I realize that my original comparison with #dig had a typographical error. Here'... robb (Robb Shecter)
05:27 AM Ruby master Feature #15477 (Open): Proc#arity returns -1 for composed lambda Procs of known arguments
```
f = -> x { x + 2 }
g = -> x { x * 2 }
h = f << g
f.arity # => 1
g.arity # => 1
h.arity # => -1 THIS SHOU...
robb (Robb Shecter)

04/14/2016

06:35 AM Ruby master Feature #12282 (Open): Hash#dig! for repeated applications of Hash#fetch
A new feature for your consideration: #dig! which is to #fetch as #dig is to #[]. For me and maybe many others, Hash#... robb (Robb Shecter)

10/22/2015

09:12 AM Ruby master Misc #11295: Request for comments about error messages
See also "Clarify the error message when calling a method with the wrong number of arguments", https://bugs.ruby-lang... robb (Robb Shecter)
08:48 AM Ruby master Misc #11295: Request for comments about error messages
Koichi Sasada wrote:
>
> If you have any idea, please tell us.
> We can consider about Ruby's error message APIs ...
robb (Robb Shecter)
09:11 AM Ruby master Feature #9025: Clarify the error message when calling a method with the wrong number of arguments
"(expected: 1, provided: 0)" is excellent. This is a big usability issue. Python's message is similar, and includes t... robb (Robb Shecter)

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