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Rust: Add type inference test
This commit is contained in:
Tom Hvitved
@@ -449,3 +449,75 @@ mod inherent_before_trait {
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}
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}
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}
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mod trait_bound_impl_overlap {
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trait MyTrait<T> {
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fn f(&self) -> T;
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}
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trait MyTrait2<T = Self> {
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type Output;
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fn f(&self, x: T) -> Self::Output;
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}
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struct S<T>(T);
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impl MyTrait<i32> for S<i32> {
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fn f(&self) -> i32 {
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0
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}
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}
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impl MyTrait<i64> for S<i32> {
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fn f(&self) -> i64 {
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0
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}
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}
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impl MyTrait2<S<i32>> for S<i32> {
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type Output = i32;
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fn f(&self, x: S<i32>) -> Self::Output {
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0
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}
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}
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impl MyTrait2<S<i64>> for S<i32> {
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type Output = <Self as MyTrait2<S<bool>>>::Output;
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fn f(&self, x: S<i64>) -> Self::Output {
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0
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}
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}
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impl MyTrait2<S<bool>> for S<i32> {
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type Output = i64;
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fn f(&self, x: S<bool>) -> Self::Output {
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0
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}
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}
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fn call_f<T1, T2: MyTrait<T1>>(x: T2) -> T1 {
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x.f() // $ target=f
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}
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fn call_f2<T1, T2: MyTrait2<T1>>(x: T1, y: T2) -> T2::Output {
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y.f(x) // $ target=f
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}
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fn test() {
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let x = S(0);
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let y = call_f(x); // $ target=call_f type=y:i32 $ SPURIOUS: type=y:i64
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let z: i32 = y;
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let x = S(0);
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let y = call_f::<i32, _>(x); // $ target=call_f type=y:i32
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let x = S(0);
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let y = call_f2(S(0i32), x); // $ target=call_f2 type=y:i32 $ SPURIOUS: type=y:i64
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let x = S(0);
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let y = call_f2(S(0i64), x); // $ target=call_f2 type=y:i64 $ SPURIOUS: type=y:i32
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}
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}
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@@ -4079,6 +4079,51 @@ inferCertainType
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| overloading.rs:448:13:448:16 | self | | {EXTERNAL LOCATION} | & |
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| overloading.rs:448:13:448:16 | self | TRef | overloading.rs:405:5:405:19 | S |
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| overloading.rs:448:13:448:16 | self | TRef.T | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:455:14:455:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:455:14:455:18 | SelfParam | TRef | overloading.rs:454:5:456:5 | Self [trait MyTrait] |
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| overloading.rs:461:14:461:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:461:14:461:18 | SelfParam | TRef | overloading.rs:458:5:462:5 | Self [trait MyTrait2] |
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| overloading.rs:461:21:461:21 | x | | overloading.rs:458:20:458:27 | T |
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| overloading.rs:467:14:467:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:467:14:467:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:467:14:467:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:467:28:469:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:473:14:473:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:473:14:473:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:473:14:473:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:473:28:475:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:481:14:481:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:481:14:481:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:481:14:481:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:481:21:481:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:481:21:481:21 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:481:48:483:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:489:14:489:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:489:14:489:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:489:14:489:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:489:21:489:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:489:21:489:21 | x | T | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:489:48:491:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:497:14:497:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:497:14:497:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:497:14:497:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:497:21:497:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:497:21:497:21 | x | T | {EXTERNAL LOCATION} | bool |
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| overloading.rs:497:49:499:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:502:36:502:36 | x | | overloading.rs:502:19:502:33 | T2 |
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| overloading.rs:502:49:504:5 | { ... } | | overloading.rs:502:15:502:16 | T1 |
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| overloading.rs:503:9:503:9 | x | | overloading.rs:502:19:502:33 | T2 |
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| overloading.rs:506:38:506:38 | x | | overloading.rs:506:16:506:17 | T1 |
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| overloading.rs:506:45:506:45 | y | | overloading.rs:506:20:506:35 | T2 |
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| overloading.rs:506:66:508:5 | { ... } | | overloading.rs:506:20:506:35 | T2::Output[MyTrait2] |
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| overloading.rs:507:9:507:9 | y | | overloading.rs:506:20:506:35 | T2 |
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| overloading.rs:507:13:507:13 | x | | overloading.rs:506:16:506:17 | T1 |
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| overloading.rs:510:15:522:5 | { ... } | | {EXTERNAL LOCATION} | () |
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| overloading.rs:513:13:513:13 | z | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:516:13:516:13 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:516:17:516:35 | call_f::<...>(...) | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:27:519:30 | 0i32 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:521:27:521:30 | 0i64 | | {EXTERNAL LOCATION} | i64 |
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| pattern_matching.rs:13:26:133:1 | { ... } | | {EXTERNAL LOCATION} | Option |
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| pattern_matching.rs:13:26:133:1 | { ... } | T | {EXTERNAL LOCATION} | () |
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| pattern_matching.rs:15:5:18:5 | if ... {...} | | {EXTERNAL LOCATION} | () |
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@@ -12830,6 +12875,107 @@ inferType
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| overloading.rs:448:13:448:16 | self | TRef | overloading.rs:405:5:405:19 | S |
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| overloading.rs:448:13:448:16 | self | TRef.T | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:448:13:448:22 | self.bar() | | {EXTERNAL LOCATION} | () |
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| overloading.rs:455:14:455:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:455:14:455:18 | SelfParam | TRef | overloading.rs:454:5:456:5 | Self [trait MyTrait] |
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| overloading.rs:461:14:461:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:461:14:461:18 | SelfParam | TRef | overloading.rs:458:5:462:5 | Self [trait MyTrait2] |
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| overloading.rs:461:21:461:21 | x | | overloading.rs:458:20:458:27 | T |
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| overloading.rs:467:14:467:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:467:14:467:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:467:14:467:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:467:28:469:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:468:13:468:13 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:473:14:473:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:473:14:473:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:473:14:473:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:473:28:475:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:474:13:474:13 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:474:13:474:13 | 0 | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:481:14:481:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:481:14:481:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:481:14:481:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:481:21:481:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:481:21:481:21 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:481:48:483:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:482:13:482:13 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:489:14:489:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:489:14:489:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:489:14:489:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:489:21:489:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:489:21:489:21 | x | T | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:489:48:491:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:490:13:490:13 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:490:13:490:13 | 0 | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:497:14:497:18 | SelfParam | | {EXTERNAL LOCATION} | & |
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| overloading.rs:497:14:497:18 | SelfParam | TRef | overloading.rs:464:5:464:19 | S |
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| overloading.rs:497:14:497:18 | SelfParam | TRef.T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:497:21:497:21 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:497:21:497:21 | x | T | {EXTERNAL LOCATION} | bool |
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| overloading.rs:497:49:499:9 | { ... } | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:498:13:498:13 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:498:13:498:13 | 0 | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:502:36:502:36 | x | | overloading.rs:502:19:502:33 | T2 |
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| overloading.rs:502:49:504:5 | { ... } | | overloading.rs:502:15:502:16 | T1 |
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| overloading.rs:503:9:503:9 | x | | overloading.rs:502:19:502:33 | T2 |
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| overloading.rs:503:9:503:13 | x.f() | | overloading.rs:502:15:502:16 | T1 |
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| overloading.rs:506:38:506:38 | x | | overloading.rs:506:16:506:17 | T1 |
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| overloading.rs:506:45:506:45 | y | | overloading.rs:506:20:506:35 | T2 |
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| overloading.rs:506:66:508:5 | { ... } | | overloading.rs:506:20:506:35 | T2::Output[MyTrait2] |
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| overloading.rs:507:9:507:9 | y | | overloading.rs:506:20:506:35 | T2 |
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| overloading.rs:507:9:507:14 | y.f(...) | | overloading.rs:506:20:506:35 | T2::Output[MyTrait2] |
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| overloading.rs:507:13:507:13 | x | | overloading.rs:506:16:506:17 | T1 |
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| overloading.rs:510:15:522:5 | { ... } | | {EXTERNAL LOCATION} | () |
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| overloading.rs:511:13:511:13 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:511:13:511:13 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:511:17:511:20 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:511:17:511:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:511:19:511:19 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:512:13:512:13 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:512:13:512:13 | y | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:512:17:512:25 | call_f(...) | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:512:17:512:25 | call_f(...) | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:512:24:512:24 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:512:24:512:24 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:513:13:513:13 | z | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:513:22:513:22 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:513:22:513:22 | y | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:515:13:515:13 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:515:13:515:13 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:515:17:515:20 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:515:17:515:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:515:19:515:19 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:516:13:516:13 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:516:17:516:35 | call_f::<...>(...) | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:516:34:516:34 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:516:34:516:34 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:518:13:518:13 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:518:13:518:13 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:518:17:518:20 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:518:17:518:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:518:19:518:19 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:13:519:13 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:13:519:13 | y | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:519:17:519:35 | call_f2(...) | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:17:519:35 | call_f2(...) | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:519:25:519:31 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:519:25:519:31 | S(...) | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:27:519:30 | 0i32 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:519:34:519:34 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:519:34:519:34 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:520:13:520:13 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:520:13:520:13 | x | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:520:17:520:20 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:520:17:520:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:520:19:520:19 | 0 | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:521:13:521:13 | y | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:521:13:521:13 | y | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:521:17:521:35 | call_f2(...) | | {EXTERNAL LOCATION} | i32 |
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| overloading.rs:521:17:521:35 | call_f2(...) | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:521:25:521:31 | S(...) | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:521:25:521:31 | S(...) | T | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:521:27:521:30 | 0i64 | | {EXTERNAL LOCATION} | i64 |
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| overloading.rs:521:34:521:34 | x | | overloading.rs:464:5:464:19 | S |
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| overloading.rs:521:34:521:34 | x | T | {EXTERNAL LOCATION} | i32 |
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| pattern_matching.rs:13:26:133:1 | { ... } | | {EXTERNAL LOCATION} | Option |
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| pattern_matching.rs:13:26:133:1 | { ... } | T | {EXTERNAL LOCATION} | () |
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| pattern_matching.rs:14:9:14:13 | value | | {EXTERNAL LOCATION} | Option |
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