Rust: More type inference tests

This commit is contained in:
Tom Hvitved
2025-10-07 20:14:56 +02:00
parent 672977acfa
commit 2a43a95049
3 changed files with 169 additions and 40 deletions

View File

@@ -1,4 +1,6 @@
multipleCallTargets
| blanket_impl.rs:257:18:257:27 | ... .m2() |
| blanket_impl.rs:259:18:259:24 | S1.m4() |
| dereference.rs:69:15:69:24 | e1.deref() |
| dereference.rs:182:17:182:26 | ... .foo() |
| dereference.rs:183:17:183:23 | S.foo() |

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@@ -184,6 +184,85 @@ mod extension_trait_blanket_impl {
}
}
mod blanket_like_impl {
#[derive(Debug, Copy, Clone)]
struct S1;
#[derive(Debug, Copy, Clone)]
struct S2;
trait MyTrait1 {
// MyTrait1::m1
fn m1(self);
}
trait MyTrait2 {
// MyTrait2::m2
fn m2(self);
}
trait MyTrait3 {
// MyTrait3::m3
fn m3(self);
}
trait MyTrait4a {
// MyTrait4a::m4
fn m4(self);
}
trait MyTrait4b {
// MyTrait4b::m4
fn m4(self);
}
impl MyTrait1 for S1 {
// S1::m1
fn m1(self) {}
}
impl MyTrait3 for S1 {
// S1::m3
fn m3(self) {}
}
impl<T: MyTrait1 + Copy> MyTrait2 for &T {
// MyTrait2Ref::m2
fn m2(self) {
self.m1() // $ target=MyTrait1::m1
}
}
impl MyTrait2 for &&S1 {
// MyTrait2RefRefS1::m2
fn m2(self) {
self.m1() // $ MISSING: target=S1::m1
}
}
impl<T: MyTrait3> MyTrait4a for T {
// MyTrait4aBlanket::m4
fn m4(self) {
self.m3() // $ target=MyTrait3::m3
}
}
impl<T> MyTrait4b for &T {
// MyTrait4bRef::m4
fn m4(self) {}
}
pub fn test_basic_blanket() {
let x1 = S1.m1(); // $ target=S1::m1
let x2 = (&S1).m2(); // $ target=MyTrait2Ref::m2 $ SPURIOUS: target=MyTrait2RefRefS1::m2
let x3 = (&&S1).m2(); // $ target=MyTrait2RefRefS1::m2
let x4 = S1.m4(); // $ target=MyTrait4aBlanket::m4 $ SPURIOUS: target=MyTrait4bRef::m4
let x5 = (&S1).m4(); // $ target=MyTrait4bRef::m4
let x6 = S2.m4(); // $ target=MyTrait4bRef::m4
let x7 = (&S2).m4(); // $ target=MyTrait4bRef::m4
}
}
pub mod sql_exec {
// a highly simplified model of `MySqlConnection.execute` in SQLx

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@@ -207,46 +207,94 @@ inferType
| blanket_impl.rs:183:22:183:34 | my_other_flag | | blanket_impl.rs:160:5:162:5 | MyOtherFlag |
| blanket_impl.rs:183:22:183:56 | my_other_flag.try_read_flag_twice() | | {EXTERNAL LOCATION} | Option |
| blanket_impl.rs:183:22:183:56 | my_other_flag.try_read_flag_twice() | T | {EXTERNAL LOCATION} | bool |
| blanket_impl.rs:193:21:193:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:193:21:193:25 | SelfParam | &T | blanket_impl.rs:192:5:195:5 | Self [trait Executor] |
| blanket_impl.rs:194:24:194:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:194:24:194:28 | SelfParam | &T | blanket_impl.rs:192:5:195:5 | Self [trait Executor] |
| blanket_impl.rs:194:31:194:35 | query | | blanket_impl.rs:194:21:194:21 | E |
| blanket_impl.rs:198:21:198:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:198:21:198:25 | SelfParam | &T | blanket_impl.rs:197:10:197:22 | T |
| blanket_impl.rs:199:22:199:41 | "Executor::execute1\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:199:22:199:41 | "Executor::execute1\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:199:22:199:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:199:22:199:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:202:24:202:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:202:24:202:28 | SelfParam | &T | blanket_impl.rs:197:10:197:22 | T |
| blanket_impl.rs:202:31:202:36 | _query | | blanket_impl.rs:202:21:202:21 | E |
| blanket_impl.rs:203:22:203:41 | "Executor::execute2\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:203:22:203:41 | "Executor::execute2\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:203:22:203:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:203:22:203:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:212:13:212:13 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:212:17:212:34 | MySqlConnection {...} | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:214:9:214:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:215:35:215:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:215:35:215:36 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:215:36:215:36 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:217:9:217:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:217:20:217:40 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:217:20:217:40 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:218:9:218:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:218:28:218:48 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:218:28:218:48 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:219:35:219:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:219:35:219:36 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:219:36:219:36 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:219:39:219:59 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:219:39:219:59 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:220:43:220:44 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:220:43:220:44 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:220:44:220:44 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:220:47:220:67 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:220:47:220:67 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:196:15:196:18 | SelfParam | | blanket_impl.rs:194:5:197:5 | Self [trait MyTrait1] |
| blanket_impl.rs:201:15:201:18 | SelfParam | | blanket_impl.rs:199:5:202:5 | Self [trait MyTrait2] |
| blanket_impl.rs:206:15:206:18 | SelfParam | | blanket_impl.rs:204:5:207:5 | Self [trait MyTrait3] |
| blanket_impl.rs:211:15:211:18 | SelfParam | | blanket_impl.rs:209:5:212:5 | Self [trait MyTrait4a] |
| blanket_impl.rs:216:15:216:18 | SelfParam | | blanket_impl.rs:214:5:217:5 | Self [trait MyTrait4b] |
| blanket_impl.rs:221:15:221:18 | SelfParam | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:226:15:226:18 | SelfParam | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:231:15:231:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:231:15:231:18 | SelfParam | &T | blanket_impl.rs:229:10:229:27 | T |
| blanket_impl.rs:232:13:232:16 | self | | file://:0:0:0:0 | & |
| blanket_impl.rs:232:13:232:16 | self | &T | blanket_impl.rs:229:10:229:27 | T |
| blanket_impl.rs:238:15:238:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:238:15:238:18 | SelfParam | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:238:15:238:18 | SelfParam | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:239:13:239:16 | self | | file://:0:0:0:0 | & |
| blanket_impl.rs:239:13:239:16 | self | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:239:13:239:16 | self | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:245:15:245:18 | SelfParam | | blanket_impl.rs:243:10:243:20 | T |
| blanket_impl.rs:246:13:246:16 | self | | blanket_impl.rs:243:10:243:20 | T |
| blanket_impl.rs:252:15:252:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:252:15:252:18 | SelfParam | &T | blanket_impl.rs:250:10:250:10 | T |
| blanket_impl.rs:256:18:256:19 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:18:257:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:257:18:257:22 | (...) | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:19:257:21 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:257:19:257:21 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:20:257:21 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:18:258:23 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:18:258:23 | (...) | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:258:18:258:23 | (...) | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:19:258:22 | &... | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:19:258:22 | &... | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:258:19:258:22 | &... | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:20:258:22 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:20:258:22 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:21:258:22 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:259:18:259:19 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:18:260:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:260:18:260:22 | (...) | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:19:260:21 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:260:19:260:21 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:20:260:21 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:261:18:261:19 | S2 | | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:18:262:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:262:18:262:22 | (...) | &T | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:19:262:21 | &S2 | | file://:0:0:0:0 | & |
| blanket_impl.rs:262:19:262:21 | &S2 | &T | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:20:262:21 | S2 | | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:272:21:272:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:272:21:272:25 | SelfParam | &T | blanket_impl.rs:271:5:274:5 | Self [trait Executor] |
| blanket_impl.rs:273:24:273:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:273:24:273:28 | SelfParam | &T | blanket_impl.rs:271:5:274:5 | Self [trait Executor] |
| blanket_impl.rs:273:31:273:35 | query | | blanket_impl.rs:273:21:273:21 | E |
| blanket_impl.rs:277:21:277:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:277:21:277:25 | SelfParam | &T | blanket_impl.rs:276:10:276:22 | T |
| blanket_impl.rs:278:22:278:41 | "Executor::execute1\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:278:22:278:41 | "Executor::execute1\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:278:22:278:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:278:22:278:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:281:24:281:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:281:24:281:28 | SelfParam | &T | blanket_impl.rs:276:10:276:22 | T |
| blanket_impl.rs:281:31:281:36 | _query | | blanket_impl.rs:281:21:281:21 | E |
| blanket_impl.rs:282:22:282:41 | "Executor::execute2\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:282:22:282:41 | "Executor::execute2\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:282:22:282:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:282:22:282:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:291:13:291:13 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:291:17:291:34 | MySqlConnection {...} | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:293:9:293:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:294:35:294:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:294:35:294:36 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:294:36:294:36 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:296:9:296:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:296:20:296:40 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:296:20:296:40 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:297:9:297:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:297:28:297:48 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:297:28:297:48 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:298:35:298:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:298:35:298:36 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:298:36:298:36 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:298:39:298:59 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:298:39:298:59 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:299:43:299:44 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:299:43:299:44 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:299:44:299:44 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:299:47:299:67 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:299:47:299:67 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| closure.rs:6:13:6:22 | my_closure | | {EXTERNAL LOCATION} | dyn FnOnce |
| closure.rs:6:13:6:22 | my_closure | dyn(Args) | file://:0:0:0:0 | (T_2) |
| closure.rs:6:13:6:22 | my_closure | dyn(Args).0(2) | {EXTERNAL LOCATION} | bool |