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Disable pattern type mismatches again

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This commit is contained in:
Lukas Wirth 2023-03-03 21:34:00 +01:00
parent 7c092a13bf
commit 29150c2315
3 changed files with 3 additions and 10 deletions
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3
crates/hir/src/lib.rs
View file

@ -1466,6 +1466,9 @@ impl DefWithBody {
for (pat_or_expr, mismatch) in infer.type_mismatches() { for (pat_or_expr, mismatch) in infer.type_mismatches() {
let expr_or_pat = match pat_or_expr { let expr_or_pat = match pat_or_expr {
ExprOrPatId::ExprId(expr) => source_map.expr_syntax(expr).map(Either::Left), ExprOrPatId::ExprId(expr) => source_map.expr_syntax(expr).map(Either::Left),
// FIXME: Re-enable these once we have less false positives
ExprOrPatId::PatId(_pat) => continue,
#[allow(unreachable_patterns)]
ExprOrPatId::PatId(pat) => source_map.pat_syntax(pat).map(Either::Right), ExprOrPatId::PatId(pat) => source_map.pat_syntax(pat).map(Either::Right),
}; };
let expr_or_pat = match expr_or_pat { let expr_or_pat = match expr_or_pat {

8
crates/ide-diagnostics/src/handlers/missing_match_arms.rs
View file

@ -273,20 +273,15 @@ enum Either2 { C, D }
fn main() { fn main() {
match Either::A { match Either::A {
Either2::C => (), Either2::C => (),
// ^^^^^^^^^^ error: expected Either, found Either2
Either2::D => (), Either2::D => (),
// ^^^^^^^^^^ error: expected Either, found Either2
} }
match (true, false) { match (true, false) {
(true, false, true) => (), (true, false, true) => (),
// ^^^^^^^^^^^^^^^^^^^ error: expected (bool, bool), found (bool, bool, bool)
(true) => (), (true) => (),
// ^^^^ error: expected (bool, bool), found bool // ^^^^ error: expected (bool, bool), found bool
} }
match (true, false) { (true,) => {} } match (true, false) { (true,) => {} }
// ^^^^^^^ error: expected (bool, bool), found (bool,)
match (0) { () => () } match (0) { () => () }
// ^^ error: expected i32, found ()
match Unresolved::Bar { Unresolved::Baz => () } match Unresolved::Bar { Unresolved::Baz => () }
} }
"#, "#,
@ -300,9 +295,7 @@ fn main() {
r#" r#"
fn main() { fn main() {
match false { true | () => {} } match false { true | () => {} }
// ^^ error: expected bool, found ()
match (false,) { (true | (),) => {} } match (false,) { (true | (),) => {} }
// ^^ error: expected bool, found ()
} }
"#, "#,
); );
@ -1050,7 +1043,6 @@ fn main() {
fn main() { fn main() {
match (&false,) { match (&false,) {
(true,) => {} (true,) => {}
// ^^^^^^^ error: expected (&bool,), found (bool,)
} }
match (&false,) { match (&false,) {
(&true,) => {} (&true,) => {}

2
crates/ide-diagnostics/src/handlers/type_mismatch.rs
View file

@ -617,10 +617,8 @@ fn f() -> i32 {
r#" r#"
fn f() { fn f() {
let &() = &mut (); let &() = &mut ();
//^^^ error: expected &mut (), found &()
match &() { match &() {
&9 => () &9 => ()
//^^ error: expected &(), found &i32
//^ error: expected (), found i32 //^ error: expected (), found i32
} }
} }