Standard library should have a set module #2640

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1. Dretch commented on Jun 20, 2012

   

   Dretch

   on Jun 20, 2012

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   It would also be nice to be able to pass in the hash/eq fns using ifaces, like:

   // somewhere in core
   iface eq { fn eq (a: self) -> bool; }
   iface hash { fn hash () -> uint; }
   
   // a set module constructor
   fn mk_set <V:eq hash copy> () -> set<V> { ... }
   
   // to construct a set of some type with eq and hash in scope:
   let s = set::mk_set();
   s.insert(...);
   

   Actually the same thing would be nice for maps, too.
2. catamorphism commented on Jun 21, 2012

   

   catamorphism

   on Jun 21, 2012

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   @Dretch That would be good, yes.
3. catamorphism commented on Jan 20, 2013

   

   catamorphism

   on Jan 20, 2013

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   b86c90b is a start towards this, but the usual set operations still need to be added.
4. catamorphism commented on Jan 30, 2013

   

   catamorphism

   on Jan 30, 2013

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   b927e48 closes this. Thanks, @thestinger !
5. catamorphism

   closed this as completedon Jan 30, 2013
6. RalfJung

   added a commit that references this issue on Nov 6, 2022

   Auto merge of rust-lang#2640 - Rageking8:fix-dupe-word-typos, r=saethlin

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   21669d2
7. Aaron1011

   added a commit that references this issue on Jan 6, 2023

   Auto merge of rust-lang#2640 - Rageking8:fix-dupe-word-typos, r=saethlin

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   004a460
8. tshepang

   added a commit that references this issue on Nov 19, 2025

   Merge pull request rust-lang#2640 from jdonszelmann/try-parent-and-ma…

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   8c1cb5b
9. U007D

   added a commit that references this issue on Aug 21, 2026

   Merge rust-lang#2640

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   000710b