[$] Rust's next-generation trait solver

Date:
Mon, 30 Mar 2026 14:24:34 +0000

Description:
Rust's compiler team has been working on a long-term project to rewrite the trait solver the part of the compiler that determines which
concrete function should be called when a programmer uses a trait method that is
implemented for multiple types. The rewrite is intended to simplify
future changes to the trait system, fix a handful of tricky soundness bugs, and
provide faster compile times. It's also nearly finished, with a relatively small number of remaining blocking bugs.

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Link to news story:
https://lwn.net/Articles/1063124/


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