WebJul 31, 2024 · debug_assertions - Enabled by default when compiling without optimizations. This can be used to enable extra debugging code in development but not in production. For example, it controls the behavior of the standard library's debug_assert! macro. An alternative, slightly more complicated way, is to use # [cfg (feature = "debug")] and … WebJan 14, 2024 · Cargo will build your library in its normal (non-test) configuration, then build each integration test/benchmark as a sepate binary crate which links to that library. So library code marked with # [cfg (test)] is not available in integration tests/benches.
cfg - Rust By Example
WebIntroducing cfg_boost crate with revamped syntax and macros to easily manage all #[cfg] parameters in one package. Quick links : cfg_boost on crates.io. List of features. Wiki. I'm currently finishing the Example wiki page. Feedback are always appreciated. ... yoshuawuyts1 • rust · async · microsoft ... WebI put tests in main.rs all the time. Here's my output: Finished test [unoptimized + debuginfo] target(s) in 2.04s Running unittests src\lib.rs (target\debug\deps\treehouse-376f820ce120463a.exe) running 0 tests test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s Running unittests src\main.rs … kate seaman ithaca ny
tracing - Rust
WebRun rustc --print target-list for a list of supported targets. This flag may be specified multiple times. This may also be specified with the build.target config value. Note that specifying this flag makes Cargo run in a different mode where the target artifacts are placed in a separate directory. See the build cache documentation for more details. WebJun 10, 2024 · You can use # [cfg_attr] to apply an attribute based on some other features. In your case, you can do: #! [cfg_attr ( not (target_os = "custom_os_name"), feature (custom_test_frameworks) )] Share Follow answered Jun 10, 2024 at 10:05 Peter Hall 50.9k 12 128 197 Add a comment Your Answer WebApr 23, 2024 · 2 Answers. Sorted by: 5. You could introduce a new intermediate trait MySerialize, so that you always require MySerialize instead of Serialize, thus doing this switch only in one place. The derive could be solved via cfg_attr. # [cfg (feature = "serde_support")] use serde::Serialize; # [cfg (feature = "serde_support")] pub trait … laxative otc list