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Rust: Add global data flow example
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3 files changed

+150
-11
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rust/ql/test/library-tests/dataflow/global/inline-flow.expected

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Original file line numberDiff line numberDiff line change
@@ -187,6 +187,30 @@ edges
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| main.rs:334:9:334:9 | a | main.rs:335:10:335:10 | a | provenance | |
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| main.rs:334:13:334:55 | ...::block_on(...) | main.rs:334:9:334:9 | a | provenance | |
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| main.rs:334:41:334:54 | async_source(...) | main.rs:334:13:334:55 | ...::block_on(...) | provenance | MaD:2 |
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| main.rs:346:44:348:9 | { ... } | main.rs:383:18:383:38 | t.get_double_number() | provenance | |
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| main.rs:346:44:348:9 | { ... } | main.rs:387:18:387:50 | ...::get_double_number(...) | provenance | |
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| main.rs:347:13:347:29 | self.get_number() | main.rs:346:44:348:9 | { ... } | provenance | |
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| main.rs:350:33:352:9 | { ... } | main.rs:391:18:391:37 | ...::get_default(...) | provenance | |
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| main.rs:351:13:351:21 | source(...) | main.rs:350:33:352:9 | { ... } | provenance | |
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| main.rs:358:37:360:9 | { ... } | main.rs:347:13:347:29 | self.get_number() | provenance | |
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| main.rs:359:13:359:21 | source(...) | main.rs:358:37:360:9 | { ... } | provenance | |
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| main.rs:370:44:372:9 | { ... } | main.rs:383:18:383:38 | t.get_double_number() | provenance | |
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| main.rs:370:44:372:9 | { ... } | main.rs:387:18:387:50 | ...::get_double_number(...) | provenance | |
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| main.rs:370:44:372:9 | { ... } | main.rs:395:18:395:38 | i.get_double_number() | provenance | |
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| main.rs:371:13:371:22 | source(...) | main.rs:370:44:372:9 | { ... } | provenance | |
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| main.rs:374:33:376:9 | { ... } | main.rs:391:18:391:37 | ...::get_default(...) | provenance | |
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| main.rs:374:33:376:9 | { ... } | main.rs:398:18:398:41 | ...::get_default(...) | provenance | |
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| main.rs:375:13:375:21 | source(...) | main.rs:374:33:376:9 | { ... } | provenance | |
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| main.rs:383:13:383:14 | n1 | main.rs:384:14:384:15 | n1 | provenance | |
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| main.rs:383:18:383:38 | t.get_double_number() | main.rs:383:13:383:14 | n1 | provenance | |
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| main.rs:387:13:387:14 | n2 | main.rs:388:14:388:15 | n2 | provenance | |
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| main.rs:387:18:387:50 | ...::get_double_number(...) | main.rs:387:13:387:14 | n2 | provenance | |
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| main.rs:391:13:391:14 | n3 | main.rs:392:14:392:15 | n3 | provenance | |
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| main.rs:391:18:391:37 | ...::get_default(...) | main.rs:391:13:391:14 | n3 | provenance | |
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| main.rs:395:13:395:14 | n4 | main.rs:396:14:396:15 | n4 | provenance | |
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| main.rs:395:18:395:38 | i.get_double_number() | main.rs:395:13:395:14 | n4 | provenance | |
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| main.rs:398:13:398:14 | n5 | main.rs:399:14:399:15 | n5 | provenance | |
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| main.rs:398:18:398:41 | ...::get_default(...) | main.rs:398:13:398:14 | n5 | provenance | |
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nodes
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| main.rs:12:28:14:1 | { ... } | semmle.label | { ... } |
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| main.rs:13:5:13:13 | source(...) | semmle.label | source(...) |
@@ -391,6 +415,31 @@ nodes
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| main.rs:334:13:334:55 | ...::block_on(...) | semmle.label | ...::block_on(...) |
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| main.rs:334:41:334:54 | async_source(...) | semmle.label | async_source(...) |
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| main.rs:335:10:335:10 | a | semmle.label | a |
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| main.rs:346:44:348:9 | { ... } | semmle.label | { ... } |
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| main.rs:347:13:347:29 | self.get_number() | semmle.label | self.get_number() |
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| main.rs:350:33:352:9 | { ... } | semmle.label | { ... } |
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| main.rs:351:13:351:21 | source(...) | semmle.label | source(...) |
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| main.rs:358:37:360:9 | { ... } | semmle.label | { ... } |
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| main.rs:359:13:359:21 | source(...) | semmle.label | source(...) |
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| main.rs:370:44:372:9 | { ... } | semmle.label | { ... } |
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| main.rs:371:13:371:22 | source(...) | semmle.label | source(...) |
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| main.rs:374:33:376:9 | { ... } | semmle.label | { ... } |
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| main.rs:375:13:375:21 | source(...) | semmle.label | source(...) |
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| main.rs:383:13:383:14 | n1 | semmle.label | n1 |
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| main.rs:383:18:383:38 | t.get_double_number() | semmle.label | t.get_double_number() |
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| main.rs:384:14:384:15 | n1 | semmle.label | n1 |
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| main.rs:387:13:387:14 | n2 | semmle.label | n2 |
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| main.rs:387:18:387:50 | ...::get_double_number(...) | semmle.label | ...::get_double_number(...) |
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| main.rs:388:14:388:15 | n2 | semmle.label | n2 |
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| main.rs:391:13:391:14 | n3 | semmle.label | n3 |
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| main.rs:391:18:391:37 | ...::get_default(...) | semmle.label | ...::get_default(...) |
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| main.rs:392:14:392:15 | n3 | semmle.label | n3 |
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| main.rs:395:13:395:14 | n4 | semmle.label | n4 |
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| main.rs:395:18:395:38 | i.get_double_number() | semmle.label | i.get_double_number() |
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| main.rs:396:14:396:15 | n4 | semmle.label | n4 |
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| main.rs:398:13:398:14 | n5 | semmle.label | n5 |
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| main.rs:398:18:398:41 | ...::get_default(...) | semmle.label | ...::get_default(...) |
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| main.rs:399:14:399:15 | n5 | semmle.label | n5 |
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subpaths
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| main.rs:38:23:38:31 | source(...) | main.rs:26:28:26:33 | ...: i64 | main.rs:26:17:26:25 | SelfParam [Return] [&ref, MyStruct] | main.rs:38:6:38:11 | [post] &mut a [&ref, MyStruct] |
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| main.rs:39:10:39:10 | a [MyStruct] | main.rs:30:17:30:21 | SelfParam [&ref, MyStruct] | main.rs:30:31:32:5 | { ... } | main.rs:39:10:39:21 | a.get_data() |
@@ -442,3 +491,11 @@ testFailures
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| main.rs:317:10:317:10 | a | main.rs:316:13:316:21 | source(...) | main.rs:317:10:317:10 | a | $@ | main.rs:316:13:316:21 | source(...) | source(...) |
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| main.rs:327:14:327:14 | c | main.rs:326:17:326:25 | source(...) | main.rs:327:14:327:14 | c | $@ | main.rs:326:17:326:25 | source(...) | source(...) |
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| main.rs:335:10:335:10 | a | main.rs:316:13:316:21 | source(...) | main.rs:335:10:335:10 | a | $@ | main.rs:316:13:316:21 | source(...) | source(...) |
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| main.rs:384:14:384:15 | n1 | main.rs:359:13:359:21 | source(...) | main.rs:384:14:384:15 | n1 | $@ | main.rs:359:13:359:21 | source(...) | source(...) |
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| main.rs:384:14:384:15 | n1 | main.rs:371:13:371:22 | source(...) | main.rs:384:14:384:15 | n1 | $@ | main.rs:371:13:371:22 | source(...) | source(...) |
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| main.rs:388:14:388:15 | n2 | main.rs:359:13:359:21 | source(...) | main.rs:388:14:388:15 | n2 | $@ | main.rs:359:13:359:21 | source(...) | source(...) |
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| main.rs:388:14:388:15 | n2 | main.rs:371:13:371:22 | source(...) | main.rs:388:14:388:15 | n2 | $@ | main.rs:371:13:371:22 | source(...) | source(...) |
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| main.rs:392:14:392:15 | n3 | main.rs:351:13:351:21 | source(...) | main.rs:392:14:392:15 | n3 | $@ | main.rs:351:13:351:21 | source(...) | source(...) |
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| main.rs:392:14:392:15 | n3 | main.rs:375:13:375:21 | source(...) | main.rs:392:14:392:15 | n3 | $@ | main.rs:375:13:375:21 | source(...) | source(...) |
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| main.rs:396:14:396:15 | n4 | main.rs:371:13:371:22 | source(...) | main.rs:396:14:396:15 | n4 | $@ | main.rs:371:13:371:22 | source(...) | source(...) |
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| main.rs:399:14:399:15 | n5 | main.rs:375:13:375:21 | source(...) | main.rs:399:14:399:15 | n5 | $@ | main.rs:375:13:375:21 | source(...) | source(...) |

rust/ql/test/library-tests/dataflow/global/main.rs

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Original file line numberDiff line numberDiff line change
@@ -337,6 +337,69 @@ fn test_async_await() {
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futures::executor::block_on(test_async_await_async_part());
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}
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mod not_trait_dispatch {
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use super::{sink, source};
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trait HasNumbers {
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fn get_number(&self) -> i64;
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fn get_double_number(&self) -> i64 {
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self.get_number() * 2
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}
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fn get_default() -> i64 {
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source(0)
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}
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}
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struct Three;
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impl HasNumbers for Three {
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fn get_number(&self) -> i64 {
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source(3)
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}
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}
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struct TwentyTwo;
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impl HasNumbers for TwentyTwo {
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fn get_number(&self) -> i64 {
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22
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}
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fn get_double_number(&self) -> i64 {
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source(44)
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}
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fn get_default() -> i64 {
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source(1)
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}
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}
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fn test_non_trait_dispatch() {
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let t = Three;
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// This call is to the default method implementation.
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let n1 = t.get_double_number();
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sink(n1); // $ hasTaintFlow=3 SPURIOUS: hasValueFlow=44
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// This call is to the default method implementation.
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let n2 = HasNumbers::get_double_number(&t);
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sink(n2); // $ hasTaintFlow=3 SPURIOUS: hasValueFlow=44
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// This call is to the default function implementation.
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let n3 = Three::get_default();
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sink(n3); // $ hasValueFlow=0 SPURIOUS: hasValueFlow=1
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let i = TwentyTwo;
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let n4 = i.get_double_number();
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sink(n4); // $ hasValueFlow=44
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let n5 = TwentyTwo::get_default();
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sink(n5); // $ hasValueFlow=1
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}
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}
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fn main() {
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data_out_of_call();
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data_out_of_call_side_effect1();

rust/ql/test/library-tests/dataflow/global/viableCallable.expected

Lines changed: 30 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -105,14 +105,33 @@
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| main.rs:335:5:335:11 | sink(...) | main.rs:5:1:7:1 | fn sink |
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| main.rs:337:5:337:62 | ...::block_on(...) | {EXTERNAL LOCATION} | fn block_on |
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| main.rs:337:33:337:61 | test_async_await_async_part(...) | main.rs:321:1:331:1 | fn test_async_await_async_part |
108-
| main.rs:341:5:341:22 | data_out_of_call(...) | main.rs:16:1:19:1 | fn data_out_of_call |
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| main.rs:342:5:342:35 | data_out_of_call_side_effect1(...) | main.rs:35:1:40:1 | fn data_out_of_call_side_effect1 |
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| main.rs:343:5:343:35 | data_out_of_call_side_effect2(...) | main.rs:42:1:50:1 | fn data_out_of_call_side_effect2 |
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| main.rs:344:5:344:21 | data_in_to_call(...) | main.rs:56:1:59:1 | fn data_in_to_call |
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| main.rs:345:5:345:23 | data_through_call(...) | main.rs:65:1:69:1 | fn data_through_call |
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| main.rs:346:5:346:34 | data_through_nested_function(...) | main.rs:79:1:88:1 | fn data_through_nested_function |
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| main.rs:348:5:348:24 | data_out_of_method(...) | main.rs:136:1:146:1 | fn data_out_of_method |
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| main.rs:349:5:349:28 | data_in_to_method_call(...) | main.rs:153:1:163:1 | fn data_in_to_method_call |
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| main.rs:350:5:350:25 | data_through_method(...) | main.rs:171:1:183:1 | fn data_through_method |
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| main.rs:352:5:352:31 | test_operator_overloading(...) | main.rs:240:1:278:1 | fn test_operator_overloading |
118-
| main.rs:353:5:353:22 | test_async_await(...) | main.rs:333:1:338:1 | fn test_async_await |
108+
| main.rs:347:13:347:29 | self.get_number() | main.rs:358:9:360:9 | fn get_number |
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| main.rs:347:13:347:29 | self.get_number() | main.rs:366:9:368:9 | fn get_number |
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| main.rs:351:13:351:21 | source(...) | main.rs:1:1:3:1 | fn source |
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| main.rs:359:13:359:21 | source(...) | main.rs:1:1:3:1 | fn source |
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| main.rs:371:13:371:22 | source(...) | main.rs:1:1:3:1 | fn source |
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| main.rs:375:13:375:21 | source(...) | main.rs:1:1:3:1 | fn source |
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| main.rs:383:18:383:38 | t.get_double_number() | main.rs:346:9:348:9 | fn get_double_number |
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| main.rs:383:18:383:38 | t.get_double_number() | main.rs:370:9:372:9 | fn get_double_number |
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| main.rs:384:9:384:16 | sink(...) | main.rs:5:1:7:1 | fn sink |
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| main.rs:387:18:387:50 | ...::get_double_number(...) | main.rs:346:9:348:9 | fn get_double_number |
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| main.rs:387:18:387:50 | ...::get_double_number(...) | main.rs:370:9:372:9 | fn get_double_number |
119+
| main.rs:388:9:388:16 | sink(...) | main.rs:5:1:7:1 | fn sink |
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| main.rs:391:18:391:37 | ...::get_default(...) | main.rs:350:9:352:9 | fn get_default |
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| main.rs:391:18:391:37 | ...::get_default(...) | main.rs:374:9:376:9 | fn get_default |
122+
| main.rs:392:9:392:16 | sink(...) | main.rs:5:1:7:1 | fn sink |
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| main.rs:395:18:395:38 | i.get_double_number() | main.rs:370:9:372:9 | fn get_double_number |
124+
| main.rs:396:9:396:16 | sink(...) | main.rs:5:1:7:1 | fn sink |
125+
| main.rs:398:18:398:41 | ...::get_default(...) | main.rs:374:9:376:9 | fn get_default |
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| main.rs:399:9:399:16 | sink(...) | main.rs:5:1:7:1 | fn sink |
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| main.rs:404:5:404:22 | data_out_of_call(...) | main.rs:16:1:19:1 | fn data_out_of_call |
128+
| main.rs:405:5:405:35 | data_out_of_call_side_effect1(...) | main.rs:35:1:40:1 | fn data_out_of_call_side_effect1 |
129+
| main.rs:406:5:406:35 | data_out_of_call_side_effect2(...) | main.rs:42:1:50:1 | fn data_out_of_call_side_effect2 |
130+
| main.rs:407:5:407:21 | data_in_to_call(...) | main.rs:56:1:59:1 | fn data_in_to_call |
131+
| main.rs:408:5:408:23 | data_through_call(...) | main.rs:65:1:69:1 | fn data_through_call |
132+
| main.rs:409:5:409:34 | data_through_nested_function(...) | main.rs:79:1:88:1 | fn data_through_nested_function |
133+
| main.rs:411:5:411:24 | data_out_of_method(...) | main.rs:136:1:146:1 | fn data_out_of_method |
134+
| main.rs:412:5:412:28 | data_in_to_method_call(...) | main.rs:153:1:163:1 | fn data_in_to_method_call |
135+
| main.rs:413:5:413:25 | data_through_method(...) | main.rs:171:1:183:1 | fn data_through_method |
136+
| main.rs:415:5:415:31 | test_operator_overloading(...) | main.rs:240:1:278:1 | fn test_operator_overloading |
137+
| main.rs:416:5:416:22 | test_async_await(...) | main.rs:333:1:338:1 | fn test_async_await |

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