Make new type param suggestion more targetted #73320
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Do not suggest new type param when encountering a missing type in an ADT field with generic parameters. Fix rust-lang#72640.
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r? @eddyb (rust_highfive has picked a reviewer for you, use r? to override) |
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estebank
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Jun 13, 2020
| help: you might be missing a type parameter | ||
| | | ||
| LL | fn foo2<I: Foo, A>(x: I) { | ||
| | ^^^ |
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Opened #73321 for handling this more gracefully.
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Suggest new type parameter on single char uppercase ident even if it doesn't appear in a field's type parameter. Address comment in rust-lang#72641.
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r? @davidtwco |
davidtwco
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Jun 17, 2020
src/librustc_resolve/lib.rs
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| #[derive(Clone, Copy, Debug)] | ||
| pub struct Segment { | ||
| ident: Ident, | ||
| id: Option<NodeId>, | ||
| /// Signals whether this `PathSegment` has generic arguments. Used to avoid providing | ||
| /// nonsensical suggestions. | ||
| has_args: bool, |
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Suggested change
| has_args: bool, | |
| has_generic_args: bool, |
Might make this a little bit more clear.
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@bors r=davidtwco |
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📌 Commit 8d1a380 has been approved by |
Manishearth
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Jun 18, 2020
…vidtwco Make new type param suggestion more targetted Do not suggest new type param when encountering a missing type in an ADT field with generic parameters. Fix rust-lang#72640.
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Jun 19, 2020
…arth Rollup of 17 pull requests Successful merges: - rust-lang#70551 (Make all uses of ty::Error delay a span bug) - rust-lang#71338 (Expand "recursive opaque type" diagnostic) - rust-lang#71976 (Improve diagnostics for `let x += 1`) - rust-lang#72279 (add raw_ref macros) - rust-lang#72628 (Add tests for 'impl Default for [T; N]') - rust-lang#72804 (Further tweak lifetime errors involving `dyn Trait` and `impl Trait` in return position) - rust-lang#72814 (remove visit_terminator_kind from MIR visitor) - rust-lang#72836 (Complete the std::time documentation to warn about the inconsistencies between OS) - rust-lang#72968 (Only highlight doc search results via mouseover if mouse has moved) - rust-lang#73034 (Export `#[inline]` fns with extern indicators) - rust-lang#73315 (Clean up some weird command strings) - rust-lang#73320 (Make new type param suggestion more targetted) - rust-lang#73361 (Tweak "non-primitive cast" error) - rust-lang#73425 (Mention functions pointers in the documentation) - rust-lang#73428 (Fix typo in librustc_ast docs) - rust-lang#73447 (Improve document for `Result::as_deref(_mut)` methods) - rust-lang#73476 (Added tooltip for should_panic code examples) Failed merges: r? @ghost
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Do not suggest new type param when encountering a missing type in an ADT
field with generic parameters.
Fix #72640.