2024 Cfg feature

Cfg feature

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August undefined, 2024

WebDec 6, 2024 · Without knowing where you found that cfg statement I would guess as follows: Typically our Rust programs make use of the standard library "std::...". But if you are … WebJun 13, 2016 · 5. My Rust project has examples that are only relevant to certain features. I can ignore the main function with: # [cfg (feature = "foo")] fn main () {. But other statements that depend on the feature cause errors when I run cargo test. So I have to use a number of cfg attribute statements on functions and use statements to disable code that ...

Features in rustc_feature - Rust

WebJul 16, 2024 · In VS Code, open the Extensions sidebar, click the gear icon next to the rust-analyzer extension, and choose “Extension Settings.” You can choose whether to … WebOct 10, 2024 · Besides, being a powerful text editor that excels in coding and supports multiple file formats, Notepad++ is an excellent tool to open CFG files on Windows 10 … journal of health monitoring abkürzung

rust - How to write a crate so that std and no_std can coexist in ...

WebFeb 2, 2024 · I have some tests that I would like to ignore when using cargo test and only run when explicitly passed a feature flag. I know this can be done by using # [ignore] and cargo test -- --ignored, but I'd like to have multiple sets of ignored tests for other reasons. # [test] # [cfg_attr (not (feature = "online_tests"), ignore)] fn get_github ... WebApr 4, 2024 · Hey, basically, I want to make this code syntactically valid: impl< Ul, const ROW: usize, const COL: usize, #[cfg(feature = "chords")] const N: usize, #[cfg(feature ... 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 … journal of health informatics and statistics

IntelliJ Rust: New Functionality for Cargo Features

What is the proper way to use the `cfg!` macro to choose between ...

WebApr 10, 2024 · Instructions for updating: Use tf. config. list_physical_devices ('GPU') ~ instead. 2024-03-31 16: 58: 07.971004: I tensorflow / core / platform / cpu_feature_guard. cc: 142] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDMN) to use the following CPU instructions in performance-critical operations: AVX … WebInstead of using mutually exclusive features, consider some other options: Split the functionality into separate packages. When there is a conflict, choose one feature over another. The cfg-if package can help with writing more complex cfg... Architect the code … Note that at the root of the crate it uses cfg_attr to enable the nightly feature. … journal of health information managementWebThe Configuration Backup and Restore feature enables administrators to perform the following functions: Back up templates and variable files applied to the devices, managed using the template-based configuration method. Restore an earlier known working combination of the configuration template and device variables in the event of a failure. how to lower your memory usage

"Web@VictorPolevoy you are mostly right — if false and if true should be removed at compile time, at least when optimizing. The body of if false should be removed, but the body if if true should be kept. Then whichever blocks are true will be evaluated at run time. This is another reason to use else — to prevent both feature's code blocks from being evaluated! " - Cfg feature

Cfg feature

WebApr 15, 2015 · This would serve the purpose of allowing crates to automatically detect if they are being built with a nightly compiler and consequently enable or disable #! [feature] directives as appropriate. I would specifically like to proposed that the # [cfg] directive nightly is set by default by only the nightly compiler (not the beta or stable channels). WebMar 10, 2024 · Configuration files are used by a wide range of programs and applications. The information within some CFG files contains a program's initial configuration and …

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WebOct 28, 2024 · IntelliJ Rust: New Functionality for Cargo Features. Like C/C++ and other native languages, Rust includes support for conditional compilation. The most common way to instruct the compiler whether to include or ignore a piece of code in compilation is to add a cfg attribute with the required condition. For example, you can use this mechanism to ... WebConditional Compilation. Rust has a special attribute, # [cfg], which allows you to compile code based on a flag passed to the compiler. It has two forms: # [cfg (foo)] # [cfg (bar = …

WebJan 19, 2024 · This is helpful to know, but not useful in constructing cfg attributes, as system does not necessarily pertain to target_os (etc.; for example, system is "darwin" but target_os needs to be specified as "macos"). WebMar 8, 2013 · features.cfg H323.cfg polycomConfig.xsd reg-advanced.cfg reg-basic.cfg region.cfg sip-basic.cfg sip-interop.cfg site.cfg text.txt video-integration.cfg video.cfg …

WebSet Configuration Options. target_arch. Key-value option set once with the target's CPU architecture. The value is similar to the first element of the platform's target triple, ... WebJul 12, 2024 · 2. I am using Rust 1.62.0 and would like to add a variant to an enum based on whether a feature is enabled. The following compiles without issues. enum MyEnum<# [cfg (feature="my-feature")] T> { Always, # [cfg (feature = "my-feature")] OnlyWithFeature (T), } So I thought that all I need to do is to "guard" T with a cfg attribute wherever it occurs.

Web#[cfg(feature = "webp")] 的含义是：只有在 webp feature 被定义后，以下的 webp 模块才能被引入进来。由于我们之前在 [features] 里定义了 webp ，因此以上代码的 webp 模块 … how to lower your memory in robloxWebFeb 4, 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams how to lower your mic on pcWebMay 3, 2024 · [target.'cfg(unix)'.features] default = ["feature-a"] # -- snip -- Using a build.rs script to enable features based on cfg conditions only partially works. Dependency resolution is done before running build.rs, so this won't import optional dependencies for features enabled in it. journal of health organization and managementWebMar 26, 2024 · # [cfg (feature = "std")] include! (concat! (env! ("OUT_DIR"), "/wasm_binary.rs")); Other than that, it doesn't seem like many projects make much use … how to lower your mic on discordWebNov 25, 2011 · Enhanced feature keys (EFK) enables you to customize the functions of a phone's line, soft, and hard keys to assign frequently used functions to keys or to create menu shortcuts to frequently used phone settings. Enhanced feature key functionality is implemented using star code sequences like *89 and SIP. messaging. how to lower your metabolismWebAs of at least Rust 1.21.1, it's possible to do this as exactly as you said: fn main () { # [cfg (foo)] { println! ("using foo config"); } } Before this, it isn't possible to do this completely conditionally (i.e. avoiding the block being type checked entirely), doing that is covered by RFC #16. However, you can use the cfg macro which ... how to lower your mb on a documentWebJun 30, 2024 · Initially, features have to be declared in Cargo.toml of the package they are used in, that is, in your dependency. Then they are "referenced" in your Cargo.toml file to … journal of health population and nutrition