Ruby Issue Tracking System

12/07/2022

08:44 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

Hi @mame! Thank you for your questions.
mame (Yusuke Endoh) wrote in #note-24:
> Thanks for the update.
>
> Now I h... RubyBugs (A Nonymous)

12/03/2022

04:29 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

> …treats unknown keywords passed to this method as an error. I had already made it clear that I thought it should ... RubyBugs (A Nonymous)

02:09 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

ufuk (Ufuk Kayserilioglu) wrote in #note-28:
> Thank you @matz. I will update the implementation to make the no-args ... RubyBugs (A Nonymous)

11/30/2022

07:58 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

For comparison, you can plug in the following example code for a faster implementation of `#with` and it should work ... RubyBugs (A Nonymous)

07:52 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

mame (Yusuke Endoh) wrote in #note-17:
> @RubyBugs Please check my comment https://bugs.ruby-lang.org/issues/19000#no... RubyBugs (A Nonymous)

11/28/2022

07:15 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

bdewater (Bart de Water) wrote in #note-15:
> I like `dup` as the method name 👍
>
Is there a way we could get m... RubyBugs (A Nonymous)

10/26/2022

06:16 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

> it should be an error to supply a keyword argument that the Data class does not have as members
+1 Agree!
**P... RubyBugs (A Nonymous)

10/21/2022

05:22 PM Ruby master Feature #19000: Data: Add "Copy with changes method" [Follow-on to #16122 Data: simple immutable value object]

Example from [value_semantics](https://github.com/tomdalling/value_semantics) gem which uses `with` as well:
```ruby... RubyBugs (A Nonymous)

09/08/2022

07:50 PM Ruby master Feature #16122: Data: simple immutable value object

I've filed a 2nd follow-up ticket [here](https://bugs.ruby-lang.org/issues/19001) for the Symmetric `#to_h` method wh... RubyBugs (A Nonymous)

06:44 PM Ruby master Feature #19001: Data: Add #to_h symmetric to constructor with keyword args [Follow-on to #16122 Data: simple immutable value object]

Per @Matz [here](https://bugs.ruby-lang.org/issues/16122#note-51), the preference would be for the constructor to tak... RubyBugs (A Nonymous)