Rust: Handle Deref trait in type inference
#20987
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| /** | ||
| * Index assignments like `a[i] = rhs` are treated as `*a.index_mut(i) = rhs`, | ||
| * so they should in principle be handled by `referenceAssignment`. | ||
| * | ||
| * However, this would require support for [generalized reverse flow][1], which | ||
| * is not yet implemented, so instead we simulate reverse flow where it would | ||
| * have applied via the model for `<_ as core::ops::index::IndexMut>::index_mut`. | ||
| * | ||
| * The same is the case for compound assignments like `a[i] += rhs`, which are | ||
| * treated as `(*a.index_mut(i)).add_assign(rhs)`. | ||
| * | ||
| * [1]: https://github.com/github/codeql/pull/18109 | ||
| */ |
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| pragma[nomagic] | ||
| Type getACandidateReceiverTypeAtSubstituteLookupTraits( | ||
| string derefChain, boolean borrow, TypePath path | ||
| Type getANonPseudoCandidateReceiverTypeAt( |
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| if apos.isReturn() then isReturn = true else isReturn = false | ||
| ) | ||
| } | ||
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Omittable 'exists' variable Warning
| or | ||
| derefChainBorrow = ";" | ||
| ) and | ||
| path = path0 |
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Omittable 'exists' variable Warning
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