05/20/2024

01:26 PM Ruby Feature #20498: Negated method calls

MaxLap (Maxime Lapointe) wrote in #note-7:
> @nobu: I'd say it's both syntax sugar and an operator, just like `&.`.
Seems like pure syntax sugar.
That's not to say it's not a good idea. It's difficult to say if the added convenien...

03/05/2024

03:21 PM Ruby Bug #20325 (Closed): Enumerator.product.size bug with zero * infinite enumerators

``` ruby
Enumerator.product([], 1..).to_a # => [] (OK)
Enumerator.product([], 1..).size # => Infinity (Should be 0)
```
marcandre (Marc-Andre Lafortune)

05/18/2023

04:39 AM Ruby Feature #19634: Pattern matching dynamic key

Some actual examples of dynamic key matching in Elixir: https://github.com/search?q=%2F%25%5C%7B%5C%5E%2F+&type=code marcandre (Marc-Andre Lafortune)

04:28 AM Ruby Feature #19634: Pattern matching dynamic key

FWIW, Elixir actually supports it, but I don't recall seeing it used in the wild
``` elixir
map = %{mentor_name: "Joe"}
value = "Joe"
key = :mentor_name
match?(%{^key => ^value}, map) # => true
```
OTOH, Elixir does not support `[*, ^... marcandre (Marc-Andre Lafortune)

06/19/2022

02:19 PM Ruby Feature #18841: Proposal: autoload_relative

Note that this is a duplicate of https://bugs.ruby-lang.org/issues/15330, which includes some real world usage stats.
Making it strict seems like a good idea too. marcandre (Marc-Andre Lafortune)

07/27/2021

05:48 PM Ruby Bug #18018: Float#floor / truncate sometimes result that is too small.

jeremyevans0 (Jeremy Evans) wrote in #note-5:
> > A correct algorithm seem to be to rely on `Rational#floor`:
> ...
My bad 🤦‍♂️ Rational#floor makes sense for rationals, but is not what we can use. Not sure how I got confused.
> I t... marcandre (Marc-Andre Lafortune)

07/25/2021

05:36 PM Ruby Bug #18018: Float#floor / truncate sometimes result that is too small.

jeremyevans0 (Jeremy Evans) wrote in #note-3:
> This issue also goes the other direction:
> ...
Well, that `f` *is* the same float (291.4), I don't understand your point, sorry.
> marcandre (Marc-Andre Lafortune) wrote:
> ...
Maybe... marcandre (Marc-Andre Lafortune)

07/09/2021

06:34 AM Ruby Bug #18032 (Rejected): Openstruct is ~20..25x slower with Ruby 3.0.0 and 3.0.1 compared to earlier versions

@mame is correct that #15409 was a concern, but this is mainly due to #12136 and listed in the release notes for 3.0.
Basically we have prioritized correctness over performance and came back to a solution similar to that of Ruby 2.2.
... marcandre (Marc-Andre Lafortune)

07/08/2021

09:56 PM Ruby Feature #17924: Range#infinite?

Seems reasonable to me.
PR at: https://github.com/ruby/ruby/pull/4535 marcandre (Marc-Andre Lafortune)

07/02/2021

12:47 PM Ruby Bug #18018: Float#floor / truncate sometimes result that is too small.

sawa (Tsuyoshi Sawada) wrote in #note-1:
> With:
> ...
Yes, that is what I meant, thanks. marcandre (Marc-Andre Lafortune)