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Merge pull request #20592 from hvitved/rust/type-inference-branch-propagation
Rust: Non-symmetric type propagation for lub coercions
This commit is contained in:
Tom Hvitved
@@ -524,6 +524,14 @@ private Struct getRangeType(RangeExpr re) {
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result instanceof RangeToInclusiveStruct
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}
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private predicate bodyReturns(Expr body, Expr e) {
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exists(ReturnExpr re, Callable c |
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e = re.getExpr() and
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c = re.getEnclosingCallable() and
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body = c.getBody()
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)
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}
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/**
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* Holds if the type tree of `n1` at `prefix1` should be equal to the type tree
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* of `n2` at `prefix2` and type information should propagate in both directions
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@@ -540,9 +548,11 @@ private predicate typeEquality(AstNode n1, TypePath prefix1, AstNode n2, TypePat
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let.getInitializer() = n2
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)
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or
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n1 = n2.(IfExpr).getABranch()
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or
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n1 = n2.(MatchExpr).getAnArm().getExpr()
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n2 =
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any(MatchExpr me |
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n1 = me.getAnArm().getExpr() and
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me.getNumberOfArms() = 1
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)
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or
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exists(LetExpr let |
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n1 = let.getScrutinee() and
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@@ -573,6 +583,9 @@ private predicate typeEquality(AstNode n1, TypePath prefix1, AstNode n2, TypePat
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n1 = n2.(MacroExpr).getMacroCall().getMacroCallExpansion()
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or
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n1 = n2.(MacroPat).getMacroCall().getMacroCallExpansion()
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or
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bodyReturns(n1, n2) and
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strictcount(Expr e | bodyReturns(n1, e)) = 1
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)
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or
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(
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@@ -606,8 +619,12 @@ private predicate typeEquality(AstNode n1, TypePath prefix1, AstNode n2, TypePat
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)
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)
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or
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// an array list expression (`[1, 2, 3]`) has the type of the first (any) element
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n1.(ArrayListExpr).getExpr(_) = n2 and
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// an array list expression with only one element (such as `[1]`) has type from that element
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n1 =
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any(ArrayListExpr ale |
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ale.getAnExpr() = n2 and
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ale.getNumberOfExprs() = 1
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) and
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prefix1 = TypePath::singleton(TArrayTypeParameter()) and
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prefix2.isEmpty()
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or
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@@ -635,6 +652,61 @@ private predicate typeEquality(AstNode n1, TypePath prefix1, AstNode n2, TypePat
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prefix2.isEmpty()
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}
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/**
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* Holds if `child` is a child of `parent`, and the Rust compiler applies [least
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* upper bound (LUB) coercion](1) to infer the type of `parent` from the type of
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* `child`.
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*
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* In this case, we want type information to only flow from `child` to `parent`,
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* to avoid (a) either having to model LUB coercions, or (b) risk combinatorial
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* explosion in inferred types.
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*
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* [1]: https://doc.rust-lang.org/reference/type-coercions.html#r-coerce.least-upper-bound
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*/
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private predicate lubCoercion(AstNode parent, AstNode child, TypePath prefix) {
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child = parent.(IfExpr).getABranch() and
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prefix.isEmpty()
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or
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parent =
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any(MatchExpr me |
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child = me.getAnArm().getExpr() and
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me.getNumberOfArms() > 1
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) and
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prefix.isEmpty()
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or
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parent =
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any(ArrayListExpr ale |
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child = ale.getAnExpr() and
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ale.getNumberOfExprs() > 1
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) and
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prefix = TypePath::singleton(TArrayTypeParameter())
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or
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bodyReturns(parent, child) and
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strictcount(Expr e | bodyReturns(parent, e)) > 1 and
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prefix.isEmpty()
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}
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/**
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* Holds if the type tree of `n1` at `prefix1` should be equal to the type tree
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* of `n2` at `prefix2`, but type information should only propagate from `n1` to
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* `n2`.
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*/
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private predicate typeEqualityNonSymmetric(
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AstNode n1, TypePath prefix1, AstNode n2, TypePath prefix2
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) {
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lubCoercion(n2, n1, prefix2) and
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prefix1.isEmpty()
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or
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exists(AstNode mid, TypePath prefixMid, TypePath suffix |
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typeEquality(n1, prefixMid, mid, prefix2) or
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typeEquality(mid, prefix2, n1, prefixMid)
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|
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lubCoercion(mid, n2, suffix) and
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not lubCoercion(mid, n1, _) and
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prefix1 = prefixMid.append(suffix)
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)
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}
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pragma[nomagic]
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private Type inferTypeEquality(AstNode n, TypePath path) {
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exists(TypePath prefix1, AstNode n2, TypePath prefix2, TypePath suffix |
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@@ -644,6 +716,8 @@ private Type inferTypeEquality(AstNode n, TypePath path) {
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typeEquality(n, prefix1, n2, prefix2)
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or
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typeEquality(n2, prefix2, n, prefix1)
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or
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typeEqualityNonSymmetric(n2, prefix2, n, prefix1)
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)
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}
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@@ -2696,6 +2696,52 @@ pub mod path_buf {
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}
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}
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mod if_expr {
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pub trait MyTrait<T: Sized> {
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fn m(&self) -> T;
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}
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#[derive(Default)]
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struct S<T>(T);
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impl MyTrait<i32> for S<i32> {
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fn m(&self) -> i32 {
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self.0 // $ fieldof=S
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}
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}
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impl MyTrait<i32> for S<S<i32>> {
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fn m(&self) -> i32 {
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self.0 .0 // $ fieldof=S
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}
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}
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impl<T: Copy> S<T> {
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fn m2(&self) -> S<S<T>> {
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S(S(self.0)) // $ fieldof=S
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}
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}
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pub fn f(b: bool) -> Box<dyn MyTrait<i32>> {
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let x = if b {
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let y = Default::default(); // $ target=default
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y // $ type=y:T.i32
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} else {
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S(2)
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};
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// This code would result in an explosion in type inference, if type information was
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// propagated between branches.
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let x = S(1);
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if b {
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let x = x.m2(); // $ target=m2
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Box::new(x) // $ target=new
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} else {
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Box::new(x) // $ target=new
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}
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}
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}
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mod blanket_impl;
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mod closure;
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mod dereference;
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@@ -2733,4 +2779,5 @@ fn main() {
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pattern_matching::test_all_patterns(); // $ target=test_all_patterns
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pattern_matching_experimental::box_patterns(); // $ target=box_patterns
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dyn_type::test(); // $ target=test
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if_expr::f(true); // $ target=f
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}
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@@ -5064,9 +5064,7 @@ inferType
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| main.rs:2479:32:2479:52 | ... .to_vec() | T | {EXTERNAL LOCATION} | u16 |
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| main.rs:2479:33:2479:36 | 1u16 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2479:39:2479:39 | 2 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2479:39:2479:39 | 2 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2479:42:2479:42 | 3 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2479:42:2479:42 | 3 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2480:13:2480:13 | u | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2480:13:2480:13 | u | | file://:0:0:0:0 | & |
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| main.rs:2480:18:2480:23 | vals4a | | {EXTERNAL LOCATION} | Vec |
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@@ -5077,9 +5075,7 @@ inferType
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| main.rs:2482:22:2482:33 | [...] | [T;...] | {EXTERNAL LOCATION} | u16 |
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| main.rs:2482:23:2482:26 | 1u16 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2482:29:2482:29 | 2 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2482:29:2482:29 | 2 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2482:32:2482:32 | 3 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2482:32:2482:32 | 3 | | {EXTERNAL LOCATION} | u16 |
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| main.rs:2485:13:2485:17 | vals5 | | {EXTERNAL LOCATION} | Vec |
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| main.rs:2485:13:2485:17 | vals5 | A | {EXTERNAL LOCATION} | Global |
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| main.rs:2485:13:2485:17 | vals5 | T | {EXTERNAL LOCATION} | i32 |
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@@ -5093,9 +5089,7 @@ inferType
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| main.rs:2485:31:2485:42 | [...] | [T;...] | {EXTERNAL LOCATION} | u32 |
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| main.rs:2485:32:2485:35 | 1u32 | | {EXTERNAL LOCATION} | u32 |
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| main.rs:2485:38:2485:38 | 2 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2485:38:2485:38 | 2 | | {EXTERNAL LOCATION} | u32 |
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| main.rs:2485:41:2485:41 | 3 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2485:41:2485:41 | 3 | | {EXTERNAL LOCATION} | u32 |
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| main.rs:2486:13:2486:13 | u | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2486:13:2486:13 | u | | {EXTERNAL LOCATION} | u32 |
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| main.rs:2486:13:2486:13 | u | | file://:0:0:0:0 | & |
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@@ -5116,9 +5110,7 @@ inferType
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| main.rs:2488:32:2488:60 | ... .collect() | T.&T | {EXTERNAL LOCATION} | u64 |
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| main.rs:2488:33:2488:36 | 1u64 | | {EXTERNAL LOCATION} | u64 |
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| main.rs:2488:39:2488:39 | 2 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2488:39:2488:39 | 2 | | {EXTERNAL LOCATION} | u64 |
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| main.rs:2488:42:2488:42 | 3 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2488:42:2488:42 | 3 | | {EXTERNAL LOCATION} | u64 |
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| main.rs:2489:13:2489:13 | u | | file://:0:0:0:0 | & |
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| main.rs:2489:13:2489:13 | u | &T | {EXTERNAL LOCATION} | u64 |
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| main.rs:2489:18:2489:22 | vals6 | | {EXTERNAL LOCATION} | Vec |
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@@ -5618,11 +5610,143 @@ inferType
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| main.rs:2693:13:2693:20 | pathbuf1 | | main.rs:2668:5:2668:25 | PathBuf |
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| main.rs:2693:24:2693:37 | ...::new(...) | | main.rs:2668:5:2668:25 | PathBuf |
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| main.rs:2694:24:2694:31 | pathbuf1 | | main.rs:2668:5:2668:25 | PathBuf |
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| main.rs:2706:5:2706:20 | ...::f(...) | | main.rs:72:5:72:21 | Foo |
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| main.rs:2707:5:2707:60 | ...::g(...) | | main.rs:72:5:72:21 | Foo |
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| main.rs:2707:20:2707:38 | ...::Foo {...} | | main.rs:72:5:72:21 | Foo |
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| main.rs:2707:41:2707:59 | ...::Foo {...} | | main.rs:72:5:72:21 | Foo |
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| main.rs:2723:5:2723:15 | ...::f(...) | | {EXTERNAL LOCATION} | trait Future |
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| main.rs:2701:14:2701:18 | SelfParam | | file://:0:0:0:0 | & |
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| main.rs:2701:14:2701:18 | SelfParam | &T | main.rs:2700:5:2702:5 | Self [trait MyTrait] |
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| main.rs:2708:14:2708:18 | SelfParam | | file://:0:0:0:0 | & |
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| main.rs:2708:14:2708:18 | SelfParam | &T | main.rs:2704:5:2705:19 | S |
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| main.rs:2708:14:2708:18 | SelfParam | &T.T | {EXTERNAL LOCATION} | i32 |
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| main.rs:2708:28:2710:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2709:13:2709:16 | self | | file://:0:0:0:0 | & |
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| main.rs:2709:13:2709:16 | self | &T | main.rs:2704:5:2705:19 | S |
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| main.rs:2709:13:2709:16 | self | &T.T | {EXTERNAL LOCATION} | i32 |
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| main.rs:2709:13:2709:18 | self.0 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2714:14:2714:18 | SelfParam | | file://:0:0:0:0 | & |
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| main.rs:2714:14:2714:18 | SelfParam | &T | main.rs:2704:5:2705:19 | S |
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| main.rs:2714:14:2714:18 | SelfParam | &T.T | main.rs:2704:5:2705:19 | S |
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| main.rs:2714:14:2714:18 | SelfParam | &T.T.T | {EXTERNAL LOCATION} | i32 |
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| main.rs:2714:28:2716:9 | { ... } | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2715:13:2715:16 | self | | file://:0:0:0:0 | & |
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| main.rs:2715:13:2715:16 | self | &T | main.rs:2704:5:2705:19 | S |
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| main.rs:2715:13:2715:16 | self | &T.T | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2715:13:2715:16 | self | &T.T.T | {EXTERNAL LOCATION} | i32 |
|
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| main.rs:2715:13:2715:18 | self.0 | | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2715:13:2715:18 | self.0 | T | {EXTERNAL LOCATION} | i32 |
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| main.rs:2715:13:2715:21 | ... .0 | | {EXTERNAL LOCATION} | i32 |
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| main.rs:2720:15:2720:19 | SelfParam | | file://:0:0:0:0 | & |
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| main.rs:2720:15:2720:19 | SelfParam | &T | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2720:15:2720:19 | SelfParam | &T.T | main.rs:2719:10:2719:16 | T |
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| main.rs:2720:33:2722:9 | { ... } | | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2720:33:2722:9 | { ... } | T | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2720:33:2722:9 | { ... } | T.T | main.rs:2719:10:2719:16 | T |
|
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| main.rs:2721:13:2721:24 | S(...) | | main.rs:2704:5:2705:19 | S |
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| main.rs:2721:13:2721:24 | S(...) | T | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2721:13:2721:24 | S(...) | T.T | main.rs:2719:10:2719:16 | T |
|
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| main.rs:2721:15:2721:23 | S(...) | | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2721:15:2721:23 | S(...) | T | main.rs:2719:10:2719:16 | T |
|
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| main.rs:2721:17:2721:20 | self | | file://:0:0:0:0 | & |
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| main.rs:2721:17:2721:20 | self | &T | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2721:17:2721:20 | self | &T.T | main.rs:2719:10:2719:16 | T |
|
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| main.rs:2721:17:2721:22 | self.0 | | main.rs:2719:10:2719:16 | T |
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| main.rs:2725:14:2725:14 | b | | {EXTERNAL LOCATION} | bool |
|
||||
| main.rs:2725:48:2742:5 | { ... } | | {EXTERNAL LOCATION} | Box |
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| main.rs:2725:48:2742:5 | { ... } | A | {EXTERNAL LOCATION} | Global |
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| main.rs:2725:48:2742:5 | { ... } | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
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| main.rs:2725:48:2742:5 | { ... } | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2726:13:2726:13 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2726:13:2726:13 | x | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2726:17:2731:9 | if b {...} else {...} | | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2726:17:2731:9 | if b {...} else {...} | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2726:20:2726:20 | b | | {EXTERNAL LOCATION} | bool |
|
||||
| main.rs:2726:22:2729:9 | { ... } | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2726:22:2729:9 | { ... } | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2727:17:2727:17 | y | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2727:17:2727:17 | y | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2727:21:2727:38 | ...::default(...) | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2727:21:2727:38 | ...::default(...) | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2728:13:2728:13 | y | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2728:13:2728:13 | y | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2729:16:2731:9 | { ... } | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2729:16:2731:9 | { ... } | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2730:13:2730:16 | S(...) | | main.rs:2704:5:2705:19 | S |
|
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| main.rs:2730:13:2730:16 | S(...) | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2730:15:2730:15 | 2 | | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2735:13:2735:13 | x | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2735:13:2735:13 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2735:13:2735:13 | x | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2735:13:2735:13 | x | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2735:17:2735:20 | S(...) | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2735:17:2735:20 | S(...) | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2735:17:2735:20 | S(...) | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2735:17:2735:20 | S(...) | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2735:19:2735:19 | 1 | | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T.T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T.T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2736:9:2741:9 | if b {...} else {...} | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2736:12:2736:12 | b | | {EXTERNAL LOCATION} | bool |
|
||||
| main.rs:2736:14:2739:9 | { ... } | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2736:14:2739:9 | { ... } | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2736:14:2739:9 | { ... } | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2736:14:2739:9 | { ... } | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2736:14:2739:9 | { ... } | T.T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2736:14:2739:9 | { ... } | T.T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2736:14:2739:9 | { ... } | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:17:2737:17 | x | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2737:17:2737:17 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2737:17:2737:17 | x | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2737:17:2737:17 | x | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:17:2737:17 | x | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:21:2737:21 | x | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2737:21:2737:21 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2737:21:2737:21 | x | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:21:2737:21 | x | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:21:2737:26 | x.m2() | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2737:21:2737:26 | x.m2() | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2737:21:2737:26 | x.m2() | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2737:21:2737:26 | x.m2() | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2737:21:2737:26 | x.m2() | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | T.T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | T.T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2738:13:2738:23 | ...::new(...) | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2738:22:2738:22 | x | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2738:22:2738:22 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2738:22:2738:22 | x | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2738:22:2738:22 | x | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2738:22:2738:22 | x | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2739:16:2741:9 | { ... } | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2739:16:2741:9 | { ... } | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2739:16:2741:9 | { ... } | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2739:16:2741:9 | { ... } | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2739:16:2741:9 | { ... } | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2739:16:2741:9 | { ... } | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | T | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | T.T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2740:13:2740:23 | ...::new(...) | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2740:22:2740:22 | x | | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2740:22:2740:22 | x | | main.rs:2704:5:2705:19 | S |
|
||||
| main.rs:2740:22:2740:22 | x | T | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2740:22:2740:22 | x | dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2752:5:2752:20 | ...::f(...) | | main.rs:72:5:72:21 | Foo |
|
||||
| main.rs:2753:5:2753:60 | ...::g(...) | | main.rs:72:5:72:21 | Foo |
|
||||
| main.rs:2753:20:2753:38 | ...::Foo {...} | | main.rs:72:5:72:21 | Foo |
|
||||
| main.rs:2753:41:2753:59 | ...::Foo {...} | | main.rs:72:5:72:21 | Foo |
|
||||
| main.rs:2769:5:2769:15 | ...::f(...) | | {EXTERNAL LOCATION} | trait Future |
|
||||
| main.rs:2782:5:2782:20 | ...::f(...) | | {EXTERNAL LOCATION} | Box |
|
||||
| main.rs:2782:5:2782:20 | ...::f(...) | A | {EXTERNAL LOCATION} | Global |
|
||||
| main.rs:2782:5:2782:20 | ...::f(...) | T | main.rs:2700:5:2702:5 | dyn MyTrait |
|
||||
| main.rs:2782:5:2782:20 | ...::f(...) | T.dyn(T) | {EXTERNAL LOCATION} | i32 |
|
||||
| main.rs:2782:16:2782:19 | true | | {EXTERNAL LOCATION} | bool |
|
||||
| pattern_matching.rs:13:26:133:1 | { ... } | | {EXTERNAL LOCATION} | Option |
|
||||
| pattern_matching.rs:13:26:133:1 | { ... } | T | file://:0:0:0:0 | () |
|
||||
| pattern_matching.rs:14:9:14:13 | value | | {EXTERNAL LOCATION} | Option |
|
||||
@@ -5648,7 +5772,6 @@ inferType
|
||||
| pattern_matching.rs:20:9:20:18 | Some(...) | | {EXTERNAL LOCATION} | Option |
|
||||
| pattern_matching.rs:20:9:20:18 | Some(...) | T | {EXTERNAL LOCATION} | i32 |
|
||||
| pattern_matching.rs:20:14:20:17 | mesg | | {EXTERNAL LOCATION} | i32 |
|
||||
| pattern_matching.rs:20:23:23:9 | { ... } | | file://:0:0:0:0 | () |
|
||||
| pattern_matching.rs:21:17:21:20 | mesg | | {EXTERNAL LOCATION} | i32 |
|
||||
| pattern_matching.rs:21:24:21:27 | mesg | | {EXTERNAL LOCATION} | i32 |
|
||||
| pattern_matching.rs:22:22:22:29 | "{mesg}\\n" | | file://:0:0:0:0 | & |
|
||||
@@ -5861,7 +5984,6 @@ inferType
|
||||
| pattern_matching.rs:99:25:99:25 | x | | {EXTERNAL LOCATION} | i32 |
|
||||
| pattern_matching.rs:100:25:100:25 | y | | file://:0:0:0:0 | & |
|
||||
| pattern_matching.rs:100:25:100:25 | y | &T | {EXTERNAL LOCATION} | str |
|
||||
| pattern_matching.rs:102:14:107:9 | { ... } | | file://:0:0:0:0 | () |
|
||||
| pattern_matching.rs:103:17:103:17 | a | | {EXTERNAL LOCATION} | bool |
|
||||
| pattern_matching.rs:103:21:103:26 | value1 | | {EXTERNAL LOCATION} | bool |
|
||||
| pattern_matching.rs:104:17:104:17 | b | | {EXTERNAL LOCATION} | i32 |
|
||||
|
||||
Reference in New Issue
Block a user