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path: root/crates/ra_hir_ty/src/tests/traits.rs
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* Upgrade ChalkFlorian Diebold2020-05-291-5/+49
| | | | Fixes #4072.
* Use Chalk's Ty::Function for function pointer typesFlorian Diebold2020-05-221-0/+32
| | | | | | Function pointers can be 'higher-ranked' over lifetimes, which is why they're not an application type in Chalk, but since we don't model lifetimes it doesn't matter for us yet.
* Use Chalk's built-in representation of function item typesFlorian Diebold2020-05-221-0/+42
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* Add some tests for Chalk built-in trait implsFlorian Diebold2020-05-221-0/+78
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* Switch to new magic marksAleksey Kladov2020-05-201-4/+4
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* Add more tests for Fn traitsHrvoje Ban2020-05-181-0/+132
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* Remove whitespacesEdwin Cheng2020-05-031-1/+1
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* Support macro for trait itemsEdwin Cheng2020-05-031-19/+21
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* For associated type shorthand (T::Item), use the substs from the where clauseFlorian Diebold2020-04-261-0/+30
| | | | | So e.g. if we have `fn foo<T: SomeTrait<u32>>() -> T::Item`, we want to lower that to `<T as SomeTrait<u32>>::Item` and not `<T as SomeTrait<_>>::Item`.
* Convert tests to text-sizeAleksey Kladov2020-04-251-553/+553
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* Merge #4023bors[bot]2020-04-181-0/+36
|\ | | | | | | | | | | | | | | 4023: Fix another crash from wrong binders r=matklad a=flodiebold Basically, if we had something like `dyn Trait<T>` (where `T` is a type parameter) in an impl we lowered that to `dyn Trait<^0.0>`, when it should be `dyn Trait<^1.0>` because the `dyn` introduces a new binder. With one type parameter, that's just wrong, with two, it'll lead to crashes. Co-authored-by: Florian Diebold <[email protected]>
| * Fix another crash from wrong bindersFlorian Diebold2020-04-171-0/+36
| | | | | | | | | | | | | | Basically, if we had something like `dyn Trait<T>` (where `T` is a type parameter) in an impl we lowered that to `dyn Trait<^0.0>`, when it should be `dyn Trait<^1.0>` because the `dyn` introduces a new binder. With one type parameter, that's just wrong, with two, it'll lead to crashes.
* | Fix type equality for dyn TraitFlorian Diebold2020-04-171-0/+24
| | | | | | | | | | | | | | Fixes a lot of false type mismatches. (And as always when touching the unification code, I have to say I'm looking forward to replacing it by Chalk's...)
* | Add two more tests for associated typesFlorian Diebold2020-04-171-0/+174
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* Test for non-working proc macro server assoc typesFlorian Diebold2020-04-161-0/+68
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* Switch Chalk to recursive solverFlorian Diebold2020-04-161-29/+21
| | | | + various fixes related to that.
*-. Merge #3966 #3968bors[bot]2020-04-151-0/+27
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3966: Add support for bounds on associated types in trait definitions r=matklad a=flodiebold E.g. ```rust trait Trait { type Item: SomeOtherTrait; } ``` Note that these don't simply desugar to where clauses; as I understand it, where clauses have to be proved by the *user* of the trait, but these bounds are proved by the *implementor*. (Also, where clauses on associated types are unstable.) (Another one from my recursive solver branch...) 3968: Remove format from syntax_bridge hot path r=matklad a=edwin0cheng Although only around 1% speed up by running: ``` Measure-Command {start-process .\target\release\rust-analyzer "analysis-stats -q ." -NoNewWindow -wait} ``` Co-authored-by: Florian Diebold <[email protected]> Co-authored-by: Edwin Cheng <[email protected]>
| * | Add support for bounds on associated types in trait definitionsFlorian Diebold2020-04-131-0/+27
| |/ | | | | | | | | | | | | | | | | | | | | | | E.g. ``` trait Trait { type Item: SomeOtherTrait; } ``` Note that these don't simply desugar to where clauses; as I understand it, where clauses have to be proved by the *user* of the trait, but these bounds are proved by the *implementor*. (Also, where clauses on associated types are unstable.)
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*-. \ Merge #3964 #3965 #3967bors[bot]2020-04-151-1/+72
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3964: Nicer Chalk debug logs r=matklad a=flodiebold I'm looking at a lot of Chalk debug logs at the moment, so here's a few changes to make them slightly nicer... 3965: Implement inline associated type bounds r=matklad a=flodiebold Like `Iterator<Item: SomeTrait>`. This is an unstable feature, but it's used in the standard library e.g. in the definition of Flatten, so we can't get away with not implementing it :) (This is cherry-picked from my recursive solver branch, where it works better, but I did manage to write a test that works with the current Chalk solver as well...) 3967: Handle `Self::Type` in trait definitions when referring to own associated type r=matklad a=flodiebold It was implemented for other generic parameters for the trait, but not for `Self`. (Last one off my recursive solver branch :smile: ) Co-authored-by: Florian Diebold <[email protected]>
| | * Handle `Self::Type` in trait definitions when referring to own associated typeFlorian Diebold2020-04-131-1/+25
| |/ |/| | | | | It was implemented for other generic parameters for the trait, but not for `Self`.
| * Implement inline associated type boundsFlorian Diebold2020-04-131-0/+47
|/ | | | | | | Like `Iterator<Item: SomeTrait>`. This is an unstable feature, but it's used in the standard library e.g. in the definition of Flatten, so we can't get away with not implementing it :)
* Fix Chalk panicFlorian Diebold2020-04-061-0/+25
| | | | | Fixes #3865. Basically I forgot to shift 'back' when we got `dyn Trait`s back from Chalk, so after going through Chalk a few times, the panic happened.
* Hide unit fn return typesLaurențiu Nicola2020-04-051-6/+6
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* Resolve `Self::AssocTy` in implsFlorian Diebold2020-03-061-0/+41
| | | | | | | | | | To do this we need to carry around the original resolution a bit, because `Self` gets resolved to the actual type immediately, but you're not allowed to write the equivalent type in a projection. (I tried just comparing the projection base type with the impl self type, but that seemed too dirty.) This is basically how rustc does it as well. Fixes #3249.
* Do autoderef for indexingFlorian Diebold2020-02-291-0/+28
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* Normalize associated types in types coming from ChalkFlorian Diebold2020-02-211-0/+42
| | | | Fixes #3232.
* Make Self implement the trait inside trait default methodsFlorian Diebold2020-02-141-0/+48
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* Add two more testsFlorian Diebold2020-02-071-0/+51
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* Don't print implicit type args from impl TraitFlorian Diebold2020-02-071-11/+11
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* Deal better with implicit type parameters and argument listsFlorian Diebold2020-02-071-0/+108
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* Clean up RPIT a bitFlorian Diebold2020-02-071-13/+11
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* Fix APIT some moreFlorian Diebold2020-02-071-23/+28
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* Change Ty::Param to contain param IDFlorian Diebold2020-02-071-2/+1
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* WIP use params for APITFlorian Diebold2020-02-071-0/+53
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* Fix assoc type selectionFlorian Diebold2020-02-071-3/+3
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* Fix enum constructorsFlorian Diebold2020-02-071-1/+1
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* Fix printing of function typesFlorian Diebold2020-02-071-16/+16
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* wip implement lowering modeFlorian Diebold2020-02-071-20/+8
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* Standard formatting for array typesAleksey Kladov2020-01-281-1/+1
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* Ignore failing impl Trait testsFlorian Diebold2020-01-271-0/+2
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* Resolve traits in infer using lang item infrastructureEmil Lauridsen2019-12-291-0/+5
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* Merge #2661bors[bot]2019-12-241-0/+57
|\ | | | | | | | | | | | | | | | | | | | | | | 2661: Implement infer await from async function r=flodiebold a=edwin0cheng This PR is my attempt for trying to add support for infer `.await` expression from an `async` function, by desugaring its return type to `Impl Future<Output=RetType>`. Note that I don't know it is supposed to desugaring it in that phase, if it is not suitable in current design, just feel free to reject it :) r=@flodiebold Co-authored-by: Edwin Cheng <[email protected]>
| * Implement infer await from async funcEdwin Cheng2019-12-241-0/+57
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* | Filter out error predicates in type bounds as wellFlorian Diebold2019-12-221-0/+17
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* Coerce closures to fn pointersFlorian Diebold2019-12-201-5/+5
| | | | E.g. `let x: fn(A) -> B = |x| { y };`
* Add std::ops::Index support for inferingEdwin Cheng2019-12-191-0/+32
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* Add test markFlorian Diebold2019-12-151-2/+6
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* Handle impl Trait more correctlyFlorian Diebold2019-12-151-0/+31
| | | | | | | When calling a function, argument-position impl Trait is transparent; same for return-position impl Trait when inside the function. So in these cases, we need to represent that type not by `Ty::Opaque`, but by a type variable that can be unified with whatever flows into there.
* Add test for unifying impl TraitFlorian Diebold2019-12-151-1/+27
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* Correctly infer - and ! using std::ops::{Neg,Not}Emil Lauridsen2019-12-131-0/+64
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