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Rollup merge of #108350 - compiler-errors:assoc-type-bound-dogfooding, r=oli-obk

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Use associated type bounds in some places in the compiler

Use associated type bounds for some nested `impl Trait<Assoc = impl Trait2>` cases. I'm generally keen to introduce new lang features that are more mature into the compiler, but maybe let's see what others think?

Side-note: I was surprised that the only use-cases of nested impl trait in the compiler are just iterator related?!
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Matthias Krüger 2023-02-23 06:18:07 +01:00 • committed by GitHub
commit d6077f895a
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15 changed files with 22 additions and 41 deletions
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compiler/rustc_infer/src/lib.rs
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@ -13,6 +13,7 @@
//! This API is completely unstable and subject to change.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![feature(associated_type_bounds)]
#![feature(box_patterns)]
#![feature(control_flow_enum)]
#![feature(extend_one)]