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* Coerce closures to fn pointersFlorian Diebold2019-12-203-5/+48
| | | | E.g. `let x: fn(A) -> B = |x| { y };`
* Fix coercion of last expression in function bodyFlorian Diebold2019-12-203-2/+18
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* Handle closure return typesFlorian Diebold2019-12-204-4/+106
| | | | Fixes #2547.
* Merge #2592bors[bot]2019-12-203-5/+59
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2592: Add std::ops::Index support for infering r=edwin0cheng a=edwin0cheng see also #2534 Seem like this can't fix #2534 for this case: ```rust fn foo3(bar: [usize; 2]) { let baz = bar[1]; // <--- baz is still unknown ? println!("{}", baz); } ``` Co-authored-by: Edwin Cheng <[email protected]>
| * Use fill instread of for loopEdwin Cheng2019-12-191-5/+3
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| * Use build_for_defEdwin Cheng2019-12-191-1/+1
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| * Add std::ops::Index support for inferingEdwin Cheng2019-12-193-5/+61
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* | Use generic ItemLoc for implsAleksey Kladov2019-12-202-2/+2
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* | Support for nested traitsAleksey Kladov2019-12-201-2/+4
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* | Support for nested ADTAleksey Kladov2019-12-201-2/+2
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* | Introduce `ContainerId`Aleksey Kladov2019-12-203-3/+3
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* | Rename ContainerId -> AssocContainerIdAleksey Kladov2019-12-206-22/+22
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* | Add body as a possible container for itemsAleksey Kladov2019-12-193-7/+7
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* | Remove TruncateOptions structKirill Bulatov2019-12-191-13/+10
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* | Omit default parameter typesKirill Bulatov2019-12-192-7/+47
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* | Forbid <T>::foo syntax in mod pathsAleksey Kladov2019-12-182-5/+5
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* Add test markFlorian Diebold2019-12-153-2/+9
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* Handle impl Trait more correctlyFlorian Diebold2019-12-153-1/+56
| | | | | | | 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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* Use different types for path with and without genericsAleksey Kladov2019-12-144-51/+51
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* Use path macroFlorian Diebold2019-12-132-15/+15
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* Rename N! to name!Florian Diebold2019-12-135-15/+15
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* Add macros for known names and pathsFlorian Diebold2019-12-135-17/+15
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* Correctly infer - and ! using std::ops::{Neg,Not}Emil Lauridsen2019-12-133-23/+104
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* Add helper for resolving associated type of trait in inferEmil Lauridsen2019-12-132-47/+25
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* Move enum&union to new locAleksey Kladov2019-12-121-4/+5
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* Move structs to new locAleksey Kladov2019-12-121-1/+1
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* Move traits to the new locAleksey Kladov2019-12-121-4/+2
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* Switch to the new location for implsAleksey Kladov2019-12-122-4/+4
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* Fix coercion from &Foo to an inference variable in a referenceFlorian Diebold2019-12-082-1/+42
| | | | We didn't try to unify within the reference, but we should.
* Merge #2466bors[bot]2019-12-081-0/+29
|\ | | | | | | | | | | | | | | | | | | | | 2466: Handle partial resolve cases r=matklad a=edwin0cheng Another try to fix #2443 : We resolve all imports every time in `DefCollector::collect` loop even it is resolved previously. This is because other unresolved imports and macros will bring in another `PerNs`, so we can only assume that it has been partially resolved. Co-authored-by: Edwin Cheng <[email protected]>
| * Add testsEdwin Cheng2019-12-061-0/+29
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* | Rename GenericParam -> TypeParamAleksey Kladov2019-12-071-14/+12
| | | | | | | | We don't have LifetimeParam yet, but they are planned!
* | ReformatAleksey Kladov2019-12-071-2/+2
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* | Refactor parameter count trackingAleksey Kladov2019-12-076-32/+30
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* | Remove idx and parent generics from genericsAleksey Kladov2019-12-076-60/+135
| | | | | | | | | | This makes `hir_def::GenericParams` flatter. The logic for re-numbering the params is moved to hir instead.
* | Store GenericParams in arenaAleksey Kladov2019-12-071-1/+1
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* | Merge #2484bors[bot]2019-12-061-3/+5
|\ \ | |/ |/| | | | | | | | | | | | | | | 2484: DynMap r=matklad a=matklad Implement a `DynMap` a semi-dynamic, semi-static map, which helps to thread heterogeneously typed info in a uniform way. Totally inspired by https://github.com/JetBrains/kotlin/blob/df3bee30384787d8951ea548a4257c2cb52a16a3/compiler/frontend/src/org/jetbrains/kotlin/resolve/BindingContext.java. @flodiebold wdyt? Seems like a potentially useful pattern for various source-map-like things. Co-authored-by: Aleksey Kladov <[email protected]>
| * DynMapAleksey Kladov2019-12-061-3/+5
| | | | | | | | | | This might, or might not help us to reduce boilerplate associated with plumbing values from analysis to the IDE layer
* | Don't unify within a referenceFlorian Diebold2019-12-063-11/+72
|/ | | | | | | If we are expecting a `&Foo` and get a `&something`, when checking the `something`, we are *expecting* a `Foo`, but we shouldn't try to unify whatever we get with that expectation, because it could actually be a `&Foo`, and `&&Foo` coerces to `&Foo`. So this fixes quite a few false type mismatches.
* Simplify testAleksey Kladov2019-12-051-13/+10
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* Implement derive(Copy, Clone) properly (well, kind of)Florian Diebold2019-12-051-0/+51
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* Fix test compilationice10002019-12-041-1/+1
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* Split up ty tests a bitFlorian Diebold2019-12-037-4902/+4882
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* Replace `ra_hir_expand::either` with crateice10002019-12-031-2/+2
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* Fix #2467Florian Diebold2019-12-034-7/+65
| | | | | The stand-alone `unify` requires that the type doesn't contain any type variables. So we can't share the code here for now (without more refactoring)...
* Merge #2465bors[bot]2019-12-033-127/+219
|\ | | | | | | | | | | | | | | 2465: Extract built-in trait implementations to separate module r=matklad a=flodiebold This untangles the builtin logic from the Chalk translation. Co-authored-by: Florian Diebold <[email protected]>
| * Extract built-in trait implementations to separate moduleFlorian Diebold2019-12-033-127/+219
| | | | | | | | This untangles the builtin logic from the Chalk translation.
* | Make unify pub(crate)Florian Diebold2019-12-031-1/+1
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* | Add tests for checking the impl self typeFlorian Diebold2019-12-021-0/+14
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