IntelliJ Rust Changelog #139
source link: https://intellij-rust.github.io/2021/01/18/changelog-139.html
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New Features
Cargo features and cfg support improvements:
-
Take into account attributes under
cfg_attrattribute during type inference, name resolution, and other analysis. Now the corresponding features work as expected with code containing attributes likecfg_attr(..., derive(...)),cfg_attr(..., path="..."), etc.
GIF
- Fairly evaluate unknown
cfgoptions tofalseif there is no custom build script (build.rs) in the package. Previously, in order to avoid wrongly disabling the actual code, unknowncfgoptions and unknown Cargo features were considered enabled and disabled simultaneously. Note, you can turn on the new logic for packages containingbuild.rsas well by enabling the experimental build script evaluation: just enableorg.rust.cargo.evaluate.build.scriptsinHelp | Find Action | Experimental Featuresdialog
- Improve
cfg(test)processing for external dependencies by providing a new heuristic. Nowcfg(test)is treated as disabled if there is acfg(not(test))condition in the project. Previously,testoption was considered enabled and disabled simultaneously, i.e. code undercfg(test)andcfg(not(test)was both enabled. Such test attributes are quite complex to handle in the IDE: the tests should not be conditionally disabled since you might want to read and edit them at any time; but only mock objects should be disabled and excluded from code analysis. So the current logic behind that is to disable “test” code only when “mocking”, i.e. when there is acfg(not(test))somewhere in the code. Note, this new logic currently affects the external dependencies only, excluding your workspace, in order not to break down the code insight for your tests.
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