k256: add expose-field feature; fix/CI benches
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Coverage 60.25% 60.25%
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Hits 2142 2142
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The benchmarks want direct access to `FieldElement` for benchmarking purposes. This is a legitimate use case, but breaks encapsulation in that we'd like to generally prevent exposure of `FieldElement` except for "hazmat"-style use cases. This is a well-recognized problem with Rust in general: rust-lang/cargo#2911 This commit adds a semi-hidden `expose-field` feature in order to fix the benchmark. Perhaps it will be abused, but the alternative is not having a benchmark, which seems bad too. It also adds a CI build step to ensure the benchmarks compile to prevent this sort of regression in the future.
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The benchmarks want direct access to
FieldElementfor benchmarking purposes. This is a legitimate use case, but breaks encapsulation in that we'd like to generally prevent exposure ofFieldElementexcept for "hazmat"-style use cases.This is a well-recognized problem with Rust in general: rust-lang/cargo#2911
This commit adds a semi-hidden
expose-fieldfeature in order to fix the benchmark. Perhaps it will be abused, but the alternative is not having a benchmark, which seems bad too.It also adds a CI build step to ensure the benchmarks compile to prevent this sort of regression in the future.