[#46105] [ruby-trunk - Feature #6687][Open] Enumerable#with — "merborne (kyo endo)" <redmine@...>

14 messages 2012/07/02

[#46133] [ruby-trunk - Feature #6688][Open] Object#replace — "prijutme4ty (Ilya Vorontsov)" <prijutme4ty@...>

24 messages 2012/07/03

[#46160] [ruby-trunk - Feature #6693][Open] Don't warn for unused variables starting with _ — "marcandre (Marc-Andre Lafortune)" <ruby-core@...>

15 messages 2012/07/04

[#46200] [ruby-trunk - Bug #6702][Open] Date should be either required or not — "rosenfeld (Rodrigo Rosenfeld Rosas)" <rr.rosas@...>

14 messages 2012/07/05

[#46296] [ruby-trunk - Feature #6717][Open] Method like #instance_eval that returns self (like #tap) — "alexeymuranov (Alexey Muranov)" <redmine@...>

10 messages 2012/07/10

[#46320] [ruby-trunk - Feature #6721][Open] Object#yield_self — "alexeymuranov (Alexey Muranov)" <redmine@...>

25 messages 2012/07/11

[#46339] [ruby-trunk - Bug #6724][Open] waaaaaaant! ( — "zenspider (Ryan Davis)" <redmine@...>

11 messages 2012/07/11

[#46377] [ruby-trunk - Feature #6727][Open] Add Array#rest (with implementation) — "duckinator (Nick Markwell)" <nick@...>

25 messages 2012/07/13

[#46492] [ruby-trunk - Feature #6737][Open] Add Hash#read and alias as #[]. — "trans (Thomas Sawyer)" <transfire@...>

12 messages 2012/07/15

[#46500] [ruby-trunk - Feature #6739][Open] One-line rescue statement should support specifying an exception class — Quintus (Marvin Gülker) <sutniuq@...>

22 messages 2012/07/15

[#46562] [ruby-trunk - Feature #6758][Open] Object#sequence — "merborne (kyo endo)" <redmine@...>

19 messages 2012/07/20

[#46574] [ruby-trunk - Feature #6762][Open] Control interrupt timing — "ko1 (Koichi Sasada)" <redmine@...>

39 messages 2012/07/20

[#46641] [ruby-trunk - Bug #6780][Open] cannot compile zlib module, when cross-compiling. — "jinleileiking (lei king)" <jinleileiking@...>

14 messages 2012/07/23

[#46659] [ruby-trunk - Bug #6783][Open] Infinite loop in inspect, not overriding inspect, to_s, and no known circular references. Stepping into inspect in debugger locks it up with 100% CPU. — "garysweaver (Gary Weaver)" <garysweaver@...>

8 messages 2012/07/23

[#46792] [ruby-trunk - Bug #6799][Open] Digest::*.hexdigest returns an ASCII-8BIT String — "Eregon (Benoit Daloze)" <redmine@...>

11 messages 2012/07/26

[#46799] [ruby-trunk - Feature #6801][Open] String#~ for a here document — "merborne (kyo endo)" <redmine@...>

12 messages 2012/07/27

[#46829] [ruby-trunk - Feature #6806][Open] Support functional programming: forbid instance/class variables for ModuleName::method_name, allow for ModuleName.method_name — "alexeymuranov (Alexey Muranov)" <redmine@...>

7 messages 2012/07/28

[#46832] [ruby-trunk - Bug #6807][Open] Can't compile ruby without ruby — "devcurmudgeon (Paul Sherwood)" <storitel@...>

13 messages 2012/07/28

[#46834] [ruby-trunk - Feature #6808][Open] Implicit index for enumerations — "trans (Thomas Sawyer)" <transfire@...>

15 messages 2012/07/28

[#46838] [ruby-trunk - Bug #6810][Open] `module A::B; end` is not equivalent to `module A; module B; end; end` with respect to constant lookup (scope) — "alexeymuranov (Alexey Muranov)" <redmine@...>

17 messages 2012/07/28

[#46896] (Half-baked DRAFT) new `require' framework — SASADA Koichi <ko1@...>

Hi,

22 messages 2012/07/31

[ruby-core:46508] [ruby-trunk - Feature #6737] Add Hash#read and alias as #[].

From: "trans (Thomas Sawyer)" <transfire@...>
Date: 2012-07-16 11:31:03 UTC
List: ruby-core #46508
Issue #6737 has been updated by trans (Thomas Sawyer).


@shyouhei 

Well, you learn something new every day. Has #fetch always had second default argument?

I think that can work for #6442 then. The inefficiency I was concerned about was just about the error rescue. 

Although... I imagine there must be an extra condition in #fetch to decide whether to raise an error or return a default instead. That would a rather minor inefficiency, so maybe we say no big deal. Still, if we wanted to eek out every bit of performance we might consider #read. I am certain #[] is used far more often then #fetch, and often enough that even one less condition might have a noticeable impact?
----------------------------------------
Feature #6737: Add Hash#read and alias as #[].
https://bugs.ruby-lang.org/issues/6737#change-28144

Author: trans (Thomas Sawyer)
Status: Feedback
Priority: Normal
Assignee: 
Category: core
Target version: 2.0.0


Just, generally speaking it is nice to have a word named method for things when that suites readability better. Most operators (outside of numerical math, of course) have word equivalents. I actually hope you will accept this request based on this merit alone.

But more specifically this is also related to #6442, "CRUDifying" Hash's design. Adding #read is essentially the first step in doing this. Since #read, being the "R" in CRUD, would be one of the core methods, its preferable to have word-named method to go along with other methods, #store (for create and update) and #delete to act as that foundation.

Obviously there is nothing earth shattering here, just asking for an alias at this point. I'd like to incrementally submit requests/patches to "CRUDify" Hash rather then submit one huge patch as it will be much easier to test and ensure backward compatibility that way.



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