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sgrif's profile
Miss Dada 🏳️‍⚧️
Miss Dada 🏳️‍⚧️
Miss Dada  🏳️‍⚧️
@sgrif

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Miss Dada  🏳️‍⚧️

@sgrif

Co lead of the http://crates.io  team. Creator of @dieselframework. Former host of @_bikeshed and @_yakshave. Former Rails comitter. Enby. they/them

Albuquerque, NM
patreon.com/seantheprogram…
Joined November 2008

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    1. Joël Quenneville‏ @joelquen 7 Sep 2018
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      I recently learned that in #Ruby, `to_proc` on frozen objects (like symbols) is much cheaper than on normal objects (e.g. method objects) This is important if you're ever using the `&block` syntax.https://robots.thoughtbot.com/blocks-procs-and-enumerable …

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    2. Joël Quenneville‏ @joelquen 7 Sep 2018
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      The speed difference is because memory can be allocated more efficiently and the interpreter can skip the "escape analysis" phase when `to_proc`-ing immutable objects.

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    3. Miss Dada  🏳️‍⚧️‏ @sgrif 7 Sep 2018
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      Replying to @joelquen

      If you're using JRuby, the proc doesn't even get allocated unless you're actually using the variable in a context that requires it to be a proc. If you're just passing it as a block to another method, skips the allocation entirely.

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      Miss Dada  🏳️‍⚧️‏ @sgrif 7 Sep 2018
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      Replying to @sgrif @joelquen

      https://github.com/jruby/jruby/pull/2562 …

      8:18 AM - 7 Sep 2018 from Albuquerque, NM
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