Merge pull request #20612 from hvitved/rust/type-inference-blanket-non-satisfaction

Rust: Compute incompatible blanket implementations
This commit is contained in:
Tom Hvitved
2025-10-28 14:00:55 +01:00
committed by GitHub
5 changed files with 391 additions and 85 deletions

View File

@@ -901,14 +901,14 @@ private predicate assocFunctionInfo(
/**
* Holds if function `f` with the name `name` and the arity `arity` exists in
* blanket implementation `impl` of `trait`, and the type at position
* blanket (like) implementation `impl` of `trait`, and the type at position
* `pos` is `t`.
*
* `blanketPath` points to the type `blanketTypeParam` inside `t`, which
* is the type parameter used in the blanket implementation.
*/
pragma[nomagic]
private predicate functionInfoBlanket(
private predicate functionInfoBlanketLike(
Function f, string name, int arity, ImplItemNode impl, Trait trait, FunctionPosition pos,
AssocFunctionType t, TypePath blanketPath, TypeParam blanketTypeParam
) {
@@ -1027,19 +1027,20 @@ private module MethodResolution {
/**
* Holds if method `m` with the name `name` and the arity `arity` exists in
* blanket implementation `impl` of `trait`, and the type of the `self`
* blanket (like) implementation `impl` of `trait`, and the type of the `self`
* parameter is `selfType`.
*
* `blanketPath` points to the type `blanketTypeParam` inside `selfType`, which
* is the type parameter used in the blanket implementation.
*/
pragma[nomagic]
private predicate methodInfoBlanket(
private predicate methodInfoBlanketLike(
Method m, string name, int arity, ImplItemNode impl, Trait trait, AssocFunctionType selfType,
TypePath blanketPath, TypeParam blanketTypeParam
) {
exists(FunctionPosition pos |
functionInfoBlanket(m, name, arity, impl, trait, pos, selfType, blanketPath, blanketTypeParam) and
functionInfoBlanketLike(m, name, arity, impl, trait, pos, selfType, blanketPath,
blanketTypeParam) and
pos.isSelf()
)
}
@@ -1113,8 +1114,8 @@ private module MethodResolution {
}
/**
* Holds if method call `mc` may target a method in blanket implementation `i`
* with `self` parameter having type `selfType`.
* Holds if method call `mc` may target a method in blanket (like) implementation
* `impl` with `self` parameter having type `selfType`.
*
* `blanketPath` points to the type `blanketTypeParam` inside `selfType`, which
* is the type parameter used in the blanket implementation.
@@ -1125,13 +1126,13 @@ private module MethodResolution {
*/
bindingset[mc]
pragma[inline_late]
private predicate methodCallBlanketCandidate(
private predicate methodCallBlanketLikeCandidate(
MethodCall mc, Method m, ImplItemNode impl, AssocFunctionType self, TypePath blanketPath,
TypeParam blanketTypeParam
) {
exists(string name, int arity |
mc.hasNameAndArity(name, arity) and
methodInfoBlanket(m, name, arity, impl, _, self, blanketPath, blanketTypeParam)
methodInfoBlanketLike(m, name, arity, impl, _, self, blanketPath, blanketTypeParam)
|
methodCallVisibleImplTraitCandidate(mc, impl)
or
@@ -1216,6 +1217,23 @@ private module MethodResolution {
borrow), i, _)
}
/**
* Holds if the method inside blanket-like implementation `impl` with matching name
* and arity can be ruled out as a target of this call, either because the candidate
* receiver type represented by `derefChain` and `borrow` is incompatible with the `self`
* parameter type, or because the blanket constraint is not satisfied.
*/
pragma[nomagic]
private predicate hasIncompatibleBlanketLikeTarget(
ImplItemNode impl, string derefChain, boolean borrow
) {
ReceiverIsNotInstantiationOfBlanketLikeSelfParam::argIsNotInstantiationOf(MkMethodCallCand(this,
derefChain, borrow), impl, _)
or
ReceiverSatisfiesBlanketLikeConstraint::dissatisfiesBlanketConstraint(MkMethodCallCand(this,
derefChain, borrow), impl)
}
/**
* Same as `getACandidateReceiverTypeAt`, but with traits substituted in for types
* with trait bounds.
@@ -1234,11 +1252,10 @@ private module MethodResolution {
isComplexRootStripped(strippedTypePath, result)
}
bindingset[strippedTypePath, strippedType, derefChain, borrow]
private predicate hasNoCompatibleTargetCheck(
bindingset[derefChain, borrow, strippedTypePath, strippedType]
private predicate hasNoCompatibleNonBlanketLikeTargetCheck(
string derefChain, boolean borrow, TypePath strippedTypePath, Type strippedType
) {
// todo: also check that all blanket implementation candidates are incompatible
forall(ImplOrTraitItemNode i |
methodCallNonBlanketCandidate(this, _, i, _, strippedTypePath, strippedType)
|
@@ -1246,6 +1263,30 @@ private module MethodResolution {
)
}
bindingset[derefChain, borrow, strippedTypePath, strippedType]
private predicate hasNoCompatibleTargetCheck(
string derefChain, boolean borrow, TypePath strippedTypePath, Type strippedType
) {
this.hasNoCompatibleNonBlanketLikeTargetCheck(derefChain, borrow, strippedTypePath,
strippedType) and
forall(ImplItemNode i | methodCallBlanketLikeCandidate(this, _, i, _, _, _) |
this.hasIncompatibleBlanketLikeTarget(i, derefChain, borrow)
)
}
bindingset[derefChain, borrow, strippedTypePath, strippedType]
private predicate hasNoCompatibleNonBlanketTargetCheck(
string derefChain, boolean borrow, TypePath strippedTypePath, Type strippedType
) {
this.hasNoCompatibleNonBlanketLikeTargetCheck(derefChain, borrow, strippedTypePath,
strippedType) and
forall(ImplItemNode i |
methodCallBlanketLikeCandidate(this, _, i, _, _, _) and not i.isBlanketImplementation()
|
this.hasIncompatibleBlanketLikeTarget(i, derefChain, borrow)
)
}
/**
* Holds if the candidate receiver type represented by `derefChain` does not
* have a matching method target.
@@ -1256,7 +1297,7 @@ private module MethodResolution {
this.supportsAutoDerefAndBorrow()
or
// needed for the `hasNoCompatibleTarget` check in
// `SatisfiesBlanketConstraintInput::hasBlanketCandidate`
// `ReceiverSatisfiesBlanketLikeConstraintInput::hasBlanketCandidate`
derefChain = ""
) and
exists(TypePath strippedTypePath, Type strippedType |
@@ -1266,6 +1307,26 @@ private module MethodResolution {
)
}
/**
* Holds if the candidate receiver type represented by `derefChain` does not have
* a matching non-blanket method target.
*/
pragma[nomagic]
predicate hasNoCompatibleNonBlanketTargetNoBorrow(string derefChain) {
(
this.supportsAutoDerefAndBorrow()
or
// needed for the `hasNoCompatibleTarget` check in
// `ReceiverSatisfiesBlanketLikeConstraintInput::hasBlanketCandidate`
derefChain = ""
) and
exists(TypePath strippedTypePath, Type strippedType |
not derefChain.matches("%.ref") and // no need to try a borrow if the last thing we did was a deref
strippedType = this.getComplexStrippedType(derefChain, false, strippedTypePath) and
this.hasNoCompatibleNonBlanketTargetCheck(derefChain, false, strippedTypePath, strippedType)
)
}
/**
* Holds if the candidate receiver type represented by `derefChain`, followed
* by a borrow, does not have a matching method target.
@@ -1275,7 +1336,21 @@ private module MethodResolution {
exists(TypePath strippedTypePath, Type strippedType |
this.hasNoCompatibleTargetNoBorrow(derefChain) and
strippedType = this.getComplexStrippedType(derefChain, true, strippedTypePath) and
this.hasNoCompatibleTargetCheck(derefChain, true, strippedTypePath, strippedType)
this.hasNoCompatibleNonBlanketLikeTargetCheck(derefChain, true, strippedTypePath,
strippedType)
)
}
/**
* Holds if the candidate receiver type represented by `derefChain`, followed
* by a borrow, does not have a matching non-blanket method target.
*/
pragma[nomagic]
predicate hasNoCompatibleNonBlanketTargetBorrow(string derefChain) {
exists(TypePath strippedTypePath, Type strippedType |
this.hasNoCompatibleTargetNoBorrow(derefChain) and
strippedType = this.getComplexStrippedType(derefChain, true, strippedTypePath) and
this.hasNoCompatibleNonBlanketTargetCheck(derefChain, true, strippedTypePath, strippedType)
)
}
@@ -1470,11 +1545,11 @@ private module MethodResolution {
}
pragma[nomagic]
predicate hasNoCompatibleTarget() {
mc_.hasNoCompatibleTargetBorrow(derefChain) and
predicate hasNoCompatibleNonBlanketTarget() {
mc_.hasNoCompatibleNonBlanketTargetBorrow(derefChain) and
borrow = true
or
mc_.hasNoCompatibleTargetNoBorrow(derefChain) and
mc_.hasNoCompatibleNonBlanketTargetNoBorrow(derefChain) and
borrow = false
}
@@ -1555,20 +1630,20 @@ private module MethodResolution {
Location getLocation() { result = mc_.getLocation() }
}
private module ReceiverSatisfiesBlanketConstraintInput implements
private module ReceiverSatisfiesBlanketLikeConstraintInput implements
BlanketImplementation::SatisfiesBlanketConstraintInputSig<MethodCallCand>
{
pragma[nomagic]
predicate hasBlanketCandidate(
MethodCallCand mcc, ImplItemNode impl, TypePath blanketPath, TypeParam blanketTypeParam
) {
exists(MethodCall mc, string name, int arity |
mcc.hasSignature(mc, _, _, name, arity) and
methodCallBlanketCandidate(mc, _, impl, _, blanketPath, blanketTypeParam) and
exists(MethodCall mc |
mc = mcc.getMethodCall() and
methodCallBlanketLikeCandidate(mc, _, impl, _, blanketPath, blanketTypeParam) and
// Only apply blanket implementations when no other implementations are possible;
// this is to account for codebases that use the (unstable) specialization feature
// (https://rust-lang.github.io/rfcs/1210-impl-specialization.html)
mcc.hasNoCompatibleTarget()
(mcc.hasNoCompatibleNonBlanketTarget() or not impl.isBlanketImplementation())
|
mcc.hasNoBorrow()
or
@@ -1577,9 +1652,9 @@ private module MethodResolution {
}
}
private module ReceiverSatisfiesBlanketConstraint =
private module ReceiverSatisfiesBlanketLikeConstraint =
BlanketImplementation::SatisfiesBlanketConstraint<MethodCallCand,
ReceiverSatisfiesBlanketConstraintInput>;
ReceiverSatisfiesBlanketLikeConstraintInput>;
/**
* A configuration for matching the type of a receiver against the type of
@@ -1600,8 +1675,8 @@ private module MethodResolution {
|
methodCallNonBlanketCandidate(mc, m, i, selfType, strippedTypePath, strippedType)
or
methodCallBlanketCandidate(mc, m, i, selfType, _, _) and
ReceiverSatisfiesBlanketConstraint::satisfiesBlanketConstraint(mcc, i)
methodCallBlanketLikeCandidate(mc, m, i, selfType, _, _) and
ReceiverSatisfiesBlanketLikeConstraint::satisfiesBlanketConstraint(mcc, i)
)
}
@@ -1626,6 +1701,30 @@ private module MethodResolution {
private module ReceiverIsInstantiationOfSelfParam =
ArgIsInstantiationOf<MethodCallCand, ReceiverIsInstantiationOfSelfParamInput>;
/**
* A configuration for anti-matching the type of a receiver against the type of
* a `self` parameter belonging to a blanket (like) implementation.
*/
private module ReceiverIsNotInstantiationOfBlanketLikeSelfParamInput implements
IsInstantiationOfInputSig<MethodCallCand, AssocFunctionType>
{
pragma[nomagic]
predicate potentialInstantiationOf(
MethodCallCand mcc, TypeAbstraction abs, AssocFunctionType constraint
) {
methodCallBlanketLikeCandidate(mcc.getMethodCall(), _, abs, constraint, _, _) and
if abs.(Impl).hasTrait()
then
// inherent methods take precedence over trait methods, so only allow
// trait methods when there are no matching inherent methods
mcc.hasNoInherentTarget()
else any()
}
}
private module ReceiverIsNotInstantiationOfBlanketLikeSelfParam =
ArgIsInstantiationOf<MethodCallCand, ReceiverIsNotInstantiationOfBlanketLikeSelfParamInput>;
/**
* A configuration for matching the type qualifier of a method call
* against the type being implemented in an `impl` block. For example,
@@ -1679,10 +1778,6 @@ private module MethodResolution {
ReceiverIsInstantiationOfSelfParamInput::potentialInstantiationOf0(mcc, abs, constraint) and
abs = any(Impl i | not i.hasTrait())
}
predicate relevantConstraint(AssocFunctionType constraint) {
methodInfo(_, _, _, _, constraint, _, _)
}
}
private module ReceiverIsNotInstantiationOfInherentSelfParam =
@@ -1948,18 +2043,18 @@ private module NonMethodResolution {
}
pragma[nomagic]
private predicate functionInfoBlanketRelevantPos(
private predicate functionInfoBlanketLikeRelevantPos(
NonMethodFunction f, string name, int arity, ImplItemNode impl, Trait trait,
FunctionPosition pos, AssocFunctionType t, TypePath blanketPath, TypeParam blanketTypeParam
) {
functionInfoBlanket(f, name, arity, impl, trait, pos, t, blanketPath, blanketTypeParam) and
functionInfoBlanketLike(f, name, arity, impl, trait, pos, t, blanketPath, blanketTypeParam) and
(
if pos.isReturn()
then
// We only check that the context of the call provides relevant type information
// when no argument can
not exists(FunctionPosition pos0 |
functionInfoBlanket(f, name, arity, impl, trait, pos0, _, _, _) and
functionInfoBlanketLike(f, name, arity, impl, trait, pos0, _, _, _) and
not pos0.isReturn()
)
else any()
@@ -1967,10 +2062,10 @@ private module NonMethodResolution {
}
pragma[nomagic]
private predicate blanketCallTraitCandidate(Element fc, Trait trait) {
private predicate blanketLikeCallTraitCandidate(Element fc, Trait trait) {
exists(string name, int arity |
fc.(NonMethodCall).hasNameAndArity(name, arity) and
functionInfoBlanketRelevantPos(_, name, arity, _, trait, _, _, _, _)
functionInfoBlanketLikeRelevantPos(_, name, arity, _, trait, _, _, _, _)
|
not fc.(Call).hasTrait()
or
@@ -1978,7 +2073,7 @@ private module NonMethodResolution {
)
}
private module BlanketTraitIsVisible = TraitIsVisible<blanketCallTraitCandidate/2>;
private module BlanketTraitIsVisible = TraitIsVisible<blanketLikeCallTraitCandidate/2>;
/** A (potential) non-method call, `f(x)`. */
final class NonMethodCall extends CallExpr {
@@ -2037,13 +2132,13 @@ private module NonMethodResolution {
}
pragma[nomagic]
predicate resolveCallTargetBlanketCandidate(
predicate resolveCallTargetBlanketLikeCandidate(
ImplItemNode impl, FunctionPosition pos, TypePath blanketPath, TypeParam blanketTypeParam
) {
exists(string name, int arity, Trait trait, AssocFunctionType t |
this.hasNameAndArity(name, arity) and
exists(this.getTypeAt(pos, blanketPath)) and
functionInfoBlanketRelevantPos(_, name, arity, impl, trait, pos, t, blanketPath,
functionInfoBlanketLikeRelevantPos(_, name, arity, impl, trait, pos, t, blanketPath,
blanketTypeParam) and
BlanketTraitIsVisible::traitIsVisible(this, trait)
)
@@ -2080,7 +2175,7 @@ private module NonMethodResolution {
private newtype TCallAndBlanketPos =
MkCallAndBlanketPos(NonMethodCall fc, FunctionPosition pos) {
fc.resolveCallTargetBlanketCandidate(_, pos, _, _)
fc.resolveCallTargetBlanketLikeCandidate(_, pos, _, _)
}
/** A call tagged with a position. */
@@ -2106,7 +2201,7 @@ private module NonMethodResolution {
) {
exists(NonMethodCall fc, FunctionPosition pos |
fcp = MkCallAndBlanketPos(fc, pos) and
fc.resolveCallTargetBlanketCandidate(impl, pos, blanketPath, blanketTypeParam)
fc.resolveCallTargetBlanketLikeCandidate(impl, pos, blanketPath, blanketTypeParam)
)
}
}
@@ -2129,12 +2224,12 @@ private module NonMethodResolution {
exists(FunctionPosition pos |
ArgSatisfiesBlanketConstraint::satisfiesBlanketConstraint(fcp, abs) and
fcp = MkCallAndBlanketPos(_, pos) and
functionInfoBlanketRelevantPos(_, _, _, abs, _, pos, constraint, _, _)
functionInfoBlanketLikeRelevantPos(_, _, _, abs, _, pos, constraint, _, _)
)
}
predicate relevantConstraint(AssocFunctionType constraint) {
functionInfoBlanketRelevantPos(_, _, _, _, _, _, constraint, _, _)
functionInfoBlanketLikeRelevantPos(_, _, _, _, _, _, constraint, _, _)
}
}

View File

@@ -132,4 +132,17 @@ module SatisfiesBlanketConstraint<
SatisfiesBlanketConstraint::satisfiesConstraintType(ato, TTrait(traitBound), _, _)
)
}
/**
* Holds if the argument type `at` does _not_ satisfy the first non-trivial blanket
* constraint of `impl`.
*/
pragma[nomagic]
predicate dissatisfiesBlanketConstraint(ArgumentType at, ImplItemNode impl) {
exists(ArgumentTypeAndBlanketOffset ato, Trait traitBound |
ato = MkArgumentTypeAndBlanketOffset(at, _) and
SatisfiesBlanketConstraintInput::relevantConstraint(ato, impl, traitBound) and
SatisfiesBlanketConstraint::dissatisfiesConstraint(ato, TTrait(traitBound))
)
}
}

View File

@@ -184,6 +184,85 @@ mod extension_trait_blanket_impl {
}
}
mod blanket_like_impl {
#[derive(Debug, Copy, Clone)]
struct S1;
#[derive(Debug, Copy, Clone)]
struct S2;
trait MyTrait1 {
// MyTrait1::m1
fn m1(self);
}
trait MyTrait2 {
// MyTrait2::m2
fn m2(self);
}
trait MyTrait3 {
// MyTrait3::m3
fn m3(self);
}
trait MyTrait4a {
// MyTrait4a::m4
fn m4(self);
}
trait MyTrait4b {
// MyTrait4b::m4
fn m4(self);
}
impl MyTrait1 for S1 {
// S1::m1
fn m1(self) {}
}
impl MyTrait3 for S1 {
// S1::m3
fn m3(self) {}
}
impl<T: MyTrait1 + Copy> MyTrait2 for &T {
// MyTrait2Ref::m2
fn m2(self) {
self.m1() // $ target=MyTrait1::m1
}
}
impl MyTrait2 for &&S1 {
// MyTrait2RefRefS1::m2
fn m2(self) {
self.m1() // $ MISSING: target=S1::m1
}
}
impl<T: MyTrait3> MyTrait4a for T {
// MyTrait4aBlanket::m4
fn m4(self) {
self.m3() // $ target=MyTrait3::m3
}
}
impl<T> MyTrait4b for &T {
// MyTrait4bRef::m4
fn m4(self) {}
}
pub fn test_basic_blanket() {
let x1 = S1.m1(); // $ target=S1::m1
let x2 = (&S1).m2(); // $ target=MyTrait2Ref::m2
let x3 = (&&S1).m2(); // $ target=MyTrait2RefRefS1::m2
let x4 = S1.m4(); // $ target=MyTrait4aBlanket::m4
let x5 = (&S1).m4(); // $ target=MyTrait4bRef::m4
let x6 = S2.m4(); // $ target=MyTrait4bRef::m4
let x7 = (&S2).m4(); // $ target=MyTrait4bRef::m4
}
}
pub mod sql_exec {
// a highly simplified model of `MySqlConnection.execute` in SQLx

View File

@@ -207,46 +207,94 @@ inferType
| blanket_impl.rs:183:22:183:34 | my_other_flag | | blanket_impl.rs:160:5:162:5 | MyOtherFlag |
| blanket_impl.rs:183:22:183:56 | my_other_flag.try_read_flag_twice() | | {EXTERNAL LOCATION} | Option |
| blanket_impl.rs:183:22:183:56 | my_other_flag.try_read_flag_twice() | T | {EXTERNAL LOCATION} | bool |
| blanket_impl.rs:193:21:193:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:193:21:193:25 | SelfParam | &T | blanket_impl.rs:192:5:195:5 | Self [trait Executor] |
| blanket_impl.rs:194:24:194:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:194:24:194:28 | SelfParam | &T | blanket_impl.rs:192:5:195:5 | Self [trait Executor] |
| blanket_impl.rs:194:31:194:35 | query | | blanket_impl.rs:194:21:194:21 | E |
| blanket_impl.rs:198:21:198:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:198:21:198:25 | SelfParam | &T | blanket_impl.rs:197:10:197:22 | T |
| blanket_impl.rs:199:22:199:41 | "Executor::execute1\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:199:22:199:41 | "Executor::execute1\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:199:22:199:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:199:22:199:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:202:24:202:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:202:24:202:28 | SelfParam | &T | blanket_impl.rs:197:10:197:22 | T |
| blanket_impl.rs:202:31:202:36 | _query | | blanket_impl.rs:202:21:202:21 | E |
| blanket_impl.rs:203:22:203:41 | "Executor::execute2\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:203:22:203:41 | "Executor::execute2\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:203:22:203:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:203:22:203:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:212:13:212:13 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:212:17:212:34 | MySqlConnection {...} | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:214:9:214:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:215:35:215:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:215:35:215:36 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:215:36:215:36 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:217:9:217:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:217:20:217:40 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:217:20:217:40 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:218:9:218:9 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:218:28:218:48 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:218:28:218:48 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:219:35:219:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:219:35:219:36 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:219:36:219:36 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:219:39:219:59 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:219:39:219:59 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:220:43:220:44 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:220:43:220:44 | &c | &T | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:220:44:220:44 | c | | blanket_impl.rs:207:5:207:29 | MySqlConnection |
| blanket_impl.rs:220:47:220:67 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:220:47:220:67 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:196:15:196:18 | SelfParam | | blanket_impl.rs:194:5:197:5 | Self [trait MyTrait1] |
| blanket_impl.rs:201:15:201:18 | SelfParam | | blanket_impl.rs:199:5:202:5 | Self [trait MyTrait2] |
| blanket_impl.rs:206:15:206:18 | SelfParam | | blanket_impl.rs:204:5:207:5 | Self [trait MyTrait3] |
| blanket_impl.rs:211:15:211:18 | SelfParam | | blanket_impl.rs:209:5:212:5 | Self [trait MyTrait4a] |
| blanket_impl.rs:216:15:216:18 | SelfParam | | blanket_impl.rs:214:5:217:5 | Self [trait MyTrait4b] |
| blanket_impl.rs:221:15:221:18 | SelfParam | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:226:15:226:18 | SelfParam | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:231:15:231:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:231:15:231:18 | SelfParam | &T | blanket_impl.rs:229:10:229:27 | T |
| blanket_impl.rs:232:13:232:16 | self | | file://:0:0:0:0 | & |
| blanket_impl.rs:232:13:232:16 | self | &T | blanket_impl.rs:229:10:229:27 | T |
| blanket_impl.rs:238:15:238:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:238:15:238:18 | SelfParam | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:238:15:238:18 | SelfParam | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:239:13:239:16 | self | | file://:0:0:0:0 | & |
| blanket_impl.rs:239:13:239:16 | self | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:239:13:239:16 | self | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:245:15:245:18 | SelfParam | | blanket_impl.rs:243:10:243:20 | T |
| blanket_impl.rs:246:13:246:16 | self | | blanket_impl.rs:243:10:243:20 | T |
| blanket_impl.rs:252:15:252:18 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:252:15:252:18 | SelfParam | &T | blanket_impl.rs:250:10:250:10 | T |
| blanket_impl.rs:256:18:256:19 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:18:257:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:257:18:257:22 | (...) | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:19:257:21 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:257:19:257:21 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:257:20:257:21 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:18:258:23 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:18:258:23 | (...) | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:258:18:258:23 | (...) | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:19:258:22 | &... | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:19:258:22 | &... | &T | file://:0:0:0:0 | & |
| blanket_impl.rs:258:19:258:22 | &... | &T.&T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:20:258:22 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:258:20:258:22 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:258:21:258:22 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:259:18:259:19 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:18:260:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:260:18:260:22 | (...) | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:19:260:21 | &S1 | | file://:0:0:0:0 | & |
| blanket_impl.rs:260:19:260:21 | &S1 | &T | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:260:20:260:21 | S1 | | blanket_impl.rs:188:5:189:14 | S1 |
| blanket_impl.rs:261:18:261:19 | S2 | | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:18:262:22 | (...) | | file://:0:0:0:0 | & |
| blanket_impl.rs:262:18:262:22 | (...) | &T | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:19:262:21 | &S2 | | file://:0:0:0:0 | & |
| blanket_impl.rs:262:19:262:21 | &S2 | &T | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:262:20:262:21 | S2 | | blanket_impl.rs:191:5:192:14 | S2 |
| blanket_impl.rs:272:21:272:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:272:21:272:25 | SelfParam | &T | blanket_impl.rs:271:5:274:5 | Self [trait Executor] |
| blanket_impl.rs:273:24:273:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:273:24:273:28 | SelfParam | &T | blanket_impl.rs:271:5:274:5 | Self [trait Executor] |
| blanket_impl.rs:273:31:273:35 | query | | blanket_impl.rs:273:21:273:21 | E |
| blanket_impl.rs:277:21:277:25 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:277:21:277:25 | SelfParam | &T | blanket_impl.rs:276:10:276:22 | T |
| blanket_impl.rs:278:22:278:41 | "Executor::execute1\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:278:22:278:41 | "Executor::execute1\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:278:22:278:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:278:22:278:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:281:24:281:28 | SelfParam | | file://:0:0:0:0 | & |
| blanket_impl.rs:281:24:281:28 | SelfParam | &T | blanket_impl.rs:276:10:276:22 | T |
| blanket_impl.rs:281:31:281:36 | _query | | blanket_impl.rs:281:21:281:21 | E |
| blanket_impl.rs:282:22:282:41 | "Executor::execute2\\n" | | file://:0:0:0:0 | & |
| blanket_impl.rs:282:22:282:41 | "Executor::execute2\\n" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:282:22:282:41 | FormatArgsExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:282:22:282:41 | MacroExpr | | {EXTERNAL LOCATION} | Arguments |
| blanket_impl.rs:291:13:291:13 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:291:17:291:34 | MySqlConnection {...} | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:293:9:293:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:294:35:294:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:294:35:294:36 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:294:36:294:36 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:296:9:296:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:296:20:296:40 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:296:20:296:40 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:297:9:297:9 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:297:28:297:48 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:297:28:297:48 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:298:35:298:36 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:298:35:298:36 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:298:36:298:36 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:298:39:298:59 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:298:39:298:59 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| blanket_impl.rs:299:43:299:44 | &c | | file://:0:0:0:0 | & |
| blanket_impl.rs:299:43:299:44 | &c | &T | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:299:44:299:44 | c | | blanket_impl.rs:286:5:286:29 | MySqlConnection |
| blanket_impl.rs:299:47:299:67 | "SELECT * FROM users" | | file://:0:0:0:0 | & |
| blanket_impl.rs:299:47:299:67 | "SELECT * FROM users" | &T | {EXTERNAL LOCATION} | str |
| closure.rs:6:13:6:22 | my_closure | | {EXTERNAL LOCATION} | dyn FnOnce |
| closure.rs:6:13:6:22 | my_closure | dyn(Args) | file://:0:0:0:0 | (T_2) |
| closure.rs:6:13:6:22 | my_closure | dyn(Args).0(2) | {EXTERNAL LOCATION} | bool |