add grammar for associated_type_bounds in reference
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ehuss
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Mar 8, 2024
compiler-errors
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Mar 8, 2024
compiler-errors
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| > | ||
| > _GenericArgsBinding_ :\ | ||
| > [IDENTIFIER] `=` [_Type_] | ||
| > [IDENTIFIER] _GenericArgs_<sup>?</sup> `=` [_Type_] |
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For the record, only thing this adds is GenericArgs?, so you can write T: Trait<Assoc<i32> = Ty>
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Associated type bounds should be trait bounds, since they can contain a |
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https://doc.rust-lang.org/reference/trait-bounds.html -- |
ehuss
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Thanks! Merging now that rust-lang/rust#122055 is out.
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This also edits the grammar to capture the fact that associated type bounds (both
:and=) may have GAT parameters, e.g.T: Trait<Foo<'a> = i32>.Not sure if I should also add a section on associated type bounds, and if so, where. Maybe
trait-bounds.md?cc rust-lang/rust#122055, which is in FCP.