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Rust: Expand doc and make predicate private

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Simon Friis Vindum
2025-07-25 15:22:10 +02:00
parent 466bf85a67
commit b2ee625268
1 changed files with 14 additions and 2 deletions
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16
rust/ql/lib/codeql/rust/internal/Type.qll
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@@ -7,8 +7,20 @@ private import codeql.rust.internal.CachedStages
private import codeql.rust.elements.internal.generated.Raw
private import codeql.rust.elements.internal.generated.Synth
/** Holds if a dyn trait type should have a type parameter associated with `n`. */
predicate dynTraitTypeParameter(Trait trait, AstNode n) {
/**
* Holds if a dyn trait type should have a type parameter associated with `n`. A
* dyn trait type inherits the type parameters of the trait it implements. That
* includes the type parameters corresponding to associated types.
*
* For instance in
* ```rust
* trait SomeTrait<A> {
* type AssociatedType;
* }
* ```
* this predicate holds for the nodes `A` and `type AssociatedType`.
*/
private predicate dynTraitTypeParameter(Trait trait, AstNode n) {
trait = any(DynTraitTypeRepr dt).getTrait() and
(
n = trait.getGenericParamList().getATypeParam() or