ok then... I'm interested in the gritty details of circular equality in ruby.
I also wrote on reddit (reddit.com/r/ruby/comments/syemrs/...) searching for a better answer, and I'm getting some, but I'm still confused.
You can also take a look at the way we are probably going to do it in Crystal (similar to Ruby, but you don't need to understand C): github.com/crystal-lang/crystal/is...
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ok then... I'm interested in the gritty details of circular equality in ruby.
I also wrote on reddit (reddit.com/r/ruby/comments/syemrs/...) searching for a better answer, and I'm getting some, but I'm still confused.
The way it works is:
What happens if these objects are compared in other threads at the same time? Well, the global table keeps these pairs per thread!
At least that's how it will work in Crystal (supporting recursive
to_sis done with a similar algorithm.)If that default equality isn't a good default, you can always override
==in Ruby and Crystal.You can also take a look at the way we are probably going to do it in Crystal (similar to Ruby, but you don't need to understand C): github.com/crystal-lang/crystal/is...