Introduce StateAwareMappingMutator #3437
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(CI failures seem unrelated) |
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#3454 should fix the CI |
domenukk
reviewed
Oct 20, 2025
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| /// Allows using [`Mutator`]s for a certain type on (parts of) other input types that can be mapped to this type. | ||
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| /// For a more flexible alternative, which allows access to `state`, see [`StateAwareMappingMutator`]. |
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Is there a reason not to always use the StateAware version?
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Not really, besides having to ignore parameters and having to wrap your results in Some.
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So can we get rid of some duplicate code or should I just merge? :D
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Description
Sometimes, one needs access to
state(e.g. for its RNG) in a mapper.StateAwareMappingMutatorprovides this functionality.This PR also creates user-friendly functions to use it with havoc and numeric mutators, and adds example code to the demo fuzzer.
Checklist
./scripts/precommit.shand addressed all comments