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Rust: Type inference for non-overloadable operators #19549

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Merged
merged 3 commits into from
May 21, 2025
+82 −6
Merged

Rust: Type inference for non-overloadable operators #19549

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0dcf15b
Rust: Add type inference tests for operators
paldepind May 21, 2025
fafae89
Rust: Add unit type
paldepind May 21, 2025
666726c
Rust: Infer types for non-overloadable operators
paldepind May 21, 2025
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Rust: Add type inference tests for operators
  • Loading branch information
@paldepind
paldepind committed May 21, 2025
commit 0dcf15bf7733ce7c37e45b0a0349f307f1168985
16 changes: 16 additions & 0 deletions 16 rust/ql/test/library-tests/type-inference/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1224,6 +1224,21 @@ mod builtins {
}
}

mod operators {
pub fn f() {
let x = true && false; // $ MISSING: type=x:bool
let y = true || false; // $ MISSING: type=y:bool

let mut a;
if 34 == 33 {
let z = (a = 1); // $ MISSING: type=z:() MISSING: type=a:i32
} else {
a = 2; // $ MISSING: type=a:i32
}
a; // $ MISSING: type=a:i32
}
}

fn main() {
field_access::f();
method_impl::f();
Expand All @@ -1242,4 +1257,5 @@ fn main() {
borrowed_typed::f();
try_expressions::f();
builtins::f();
operators::f();
}
16 changes: 12 additions & 4 deletions 16 rust/ql/test/library-tests/type-inference/type-inference.expected
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Original file line number Diff line number Diff line change
Expand Up @@ -1581,7 +1581,15 @@ inferType
| main.rs:1222:17:1222:20 | true | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1223:13:1223:13 | f | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1223:17:1223:21 | false | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1229:5:1229:20 | ...::f(...) | | main.rs:67:5:67:21 | Foo |
| main.rs:1230:5:1230:60 | ...::g(...) | | main.rs:67:5:67:21 | Foo |
| main.rs:1230:20:1230:38 | ...::Foo {...} | | main.rs:67:5:67:21 | Foo |
| main.rs:1230:41:1230:59 | ...::Foo {...} | | main.rs:67:5:67:21 | Foo |
| main.rs:1229:17:1229:20 | true | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1229:25:1229:29 | false | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1230:17:1230:20 | true | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1230:25:1230:29 | false | | file:///BUILTINS/types.rs:3:1:5:16 | bool |
| main.rs:1233:12:1233:13 | 34 | | file:///BUILTINS/types.rs:12:1:12:15 | i32 |
| main.rs:1233:18:1233:19 | 33 | | file:///BUILTINS/types.rs:12:1:12:15 | i32 |
| main.rs:1234:26:1234:26 | 1 | | file:///BUILTINS/types.rs:12:1:12:15 | i32 |
| main.rs:1236:17:1236:17 | 2 | | file:///BUILTINS/types.rs:12:1:12:15 | i32 |
| main.rs:1244:5:1244:20 | ...::f(...) | | main.rs:67:5:67:21 | Foo |
| main.rs:1245:5:1245:60 | ...::g(...) | | main.rs:67:5:67:21 | Foo |
| main.rs:1245:20:1245:38 | ...::Foo {...} | | main.rs:67:5:67:21 | Foo |
| main.rs:1245:41:1245:59 | ...::Foo {...} | | main.rs:67:5:67:21 | Foo |
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