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Rust: Add more type inference tests
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-444
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2 files changed

+548
-444
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rust/ql/test/library-tests/type-inference/main.rs

Lines changed: 49 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2042,6 +2042,48 @@ mod method_determined_by_argument_type {
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}
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}
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trait MyFrom<T> {
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// MyFrom::my_from
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fn my_from(value: T) -> Self;
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}
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impl MyFrom<i64> for i64 {
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// MyFrom<i64>::my_from
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fn my_from(value: i64) -> Self {
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value
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}
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}
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impl MyFrom<bool> for i64 {
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// MyFrom<bool>::my_from
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fn my_from(value: bool) -> Self {
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if value { 1 } else { 0 }
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}
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}
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trait MyFrom2<T> {
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// MyFrom2::my_from2
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fn my_from2(value: T, x: Self) -> ();
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}
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impl MyFrom2<i64> for i64 {
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// MyFrom2<i64>::my_from2
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fn my_from2(value: i64, _: Self) -> () {
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value;
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}
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}
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impl MyFrom2<bool> for i64 {
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// MyFrom2<bool>::my_from2
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fn my_from2(value: bool, _: Self) -> () {
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if value {
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1
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} else {
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0
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};
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}
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}
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pub fn f() {
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let x: i64 = 73;
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x.my_add(5i64); // $ method=MyAdd<i64>::my_add
@@ -2051,6 +2093,13 @@ mod method_determined_by_argument_type {
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S(1i64).my_add(S(2i64)); // $ method=S::my_add1
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S(1i64).my_add(3i64); // $ MISSING: method=S::my_add2
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S(1i64).my_add(&3i64); // $ method=S::my_add3
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let x = i64::my_from(73i64); // $ method=MyFrom<i64>::my_from $ SPURIOUS: method=MyFrom<bool>::my_from
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let y = i64::my_from(true); // $ method=MyFrom<bool>::my_from $ SPURIOUS: method=MyFrom<i64>::my_from
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let z: i64 = MyFrom::my_from(73i64); // $ MISSING: method=MyFrom<i64>::my_from $ SPURIOUS: method=MyFrom::my_from
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i64::my_from2(73i64, 0i64); // $ method=MyFrom2<i64>::my_from2 $ SPURIOUS: method=MyFrom2<bool>::my_from2
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i64::my_from2(true, 0i64); // $ method=MyFrom2<bool>::my_from2 $ SPURIOUS: method=MyFrom2<i64>::my_from2
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MyFrom2::my_from2(73i64, 0i64); // $ MISSING: method=MyFrom2<i64>::my_from2 $ SPURIOUS: method=MyFrom2::my_from2
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}
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}
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