Add a cargo_criterion_support feature flag
#541
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This enables `cargo-criterion` support to be compiled out if it is not required. A compile-time error is added to require that at least one of [`cargo_bench_support`, `cargo_criterion_support`] must be enabled.
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str4d
commented
Dec 27, 2021
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| #[cfg(feature = "cargo_criterion_support")] | ||
| lazy_static! { | ||
| static ref CARGO_CRITERION_CONNECTION: Option<Mutex<Connection>> = { | ||
| match std::env::var("CARGO_CRITERION_PORT") { |
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Currently, when cargo_criterion_support is not enabled, criterion behaves as if cargo-criterion does not exist. It might be useful to check somewhere whether the CARGO_CRITERION_PORT env variable is set, and print a warning or error if cargo_criterion_support is not enabled. This wouldn't be the right place; it would need to go in the benchmark's main function (similar to the previous warnings when cargo_bench_support was not enabled).
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I'm not sure what we should do about |
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This enables
cargo-criterionsupport to be compiled out if it is not required. A compile-time error is added to require that at least one of [cargo_bench_support,cargo_criterion_support] must be enabled.