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Re: Rust

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From cross@spitfire.i.gajendra.net (Dan Cross)
Newsgroups comp.arch, comp.programming
Subject Re: Rust
Date Mon, 12 Oct 2026 19:14:14 -0000 (UTC)
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References <1177fdi$26ea4$1@dont-email.me> <11adson$sir$1@reader2.panix.com> <2026Oct11.174012@mips.complang.tuwien.ac.at> <jwvcxtg9jxl.fsf-monnier+comp.arch@gnu.org>
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Originator cross@spitfire.i.gajendra.net (Dan Cross)
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Cross-posted to 2 groups.

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In article <jwvcxtg9jxl.fsf-monnier+comp.arch@gnu.org>,
Stefan Monnier  <monnier@iro.umontreal.ca> wrote:
>> Which leads to the question?  Can an experienced Rust programmer do a
>> search that works like the C search(), and an insert that calls
>> search() and then uses the reference to either update a node or insert
>> a new one?
>
>IIUC it can but at the cost of making `search` take a `&mut` reference.
>I get the impression that you'd otherwise need "mutability
>polymorphism", i.e. a single piece of code that can be instantiated
>either for `&` or for `&mut`.  You can probably avoid writing the code
>twice, tho, by abusing macros (aka "template polymorphism").

...or using interior mutability with e.g., a `Cell`.

	- Dan C.

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Re: Rust (was: Optimization by programmers) cross@spitfire.i.gajendra.net (Dan Cross) - 2026-10-07 18:29 +0000
  Re: Rust (was: Optimization by programmers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-10-10 14:18 +0000
    Re: Rust (was: Optimization by programmers) cross@spitfire.i.gajendra.net (Dan Cross) - 2026-10-10 17:31 +0000
      Re: Rust (was: Optimization by programmers) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-10-11 15:40 +0000
        Re: Rust Stefan Monnier <monnier@iro.umontreal.ca> - 2026-10-11 14:26 -0400
          Re: Rust cross@spitfire.i.gajendra.net (Dan Cross) - 2026-10-12 19:14 +0000
          Re: Rust Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-10-12 21:15 +0000
        Re: Rust (was: Optimization by programmers) cross@spitfire.i.gajendra.net (Dan Cross) - 2026-10-12 19:13 +0000

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