cfg_boost

Revamped syntax and macros to easily manage all #[cfg] parameters in one package. See features to get the full list of features like aliases, attributes, automatic dependency tag documentation and more.

Example

Transform this :

#[cfg(any(doc, any(target_os = "linux", target_os = "macos", target_os = "windows")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))))]
pub mod desktop_mod;

#[cfg(any(doc, any(target_os = "linux", target_os = "macos", target_os = "windows")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "linux", target_os = "windows", target_os = "macos"))))]
pub use desktop_mod::Struct as Struct;

#[cfg(any(doc, any(target_os = "ios", target_os = "android")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "ios", target_os = "android"))))]
pub mod mobile_mod;

#[cfg(any(doc, any(target_os = "ios", target_os = "android")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "ios", target_os = "android"))))]
pub use mobile_mod::Struct1 as Struct1;

#[cfg(any(doc, any(target_os = "ios", target_os = "android")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "ios", target_os = "android"))))]
pub use mobile_mod::Struct2 as Struct2;

#[cfg(any(doc, any(target_os = "ios", target_os = "android")))]
#[cfg_attr(docsrs, doc(cfg(any(target_os = "ios", target_os = "android"))))]
pub fn mobile_only_fn() {}

Into this :

target_cfg!{
    desktop => {
        pub mod desktop_mod;
        pub use desktop_mod::Struct as Struct;
    },
    mobile => {
        pub mod mobile_mod;
        pub use mobile_mod::Struct1 as Struct1;
        pub use mobile_mod::Struct2 as Struct2;
        pub fn mobile_only_fn() {}
    }
}

See examples for more use cases.

Installation

Execute this command in your Rust project folder.

cargo add cfg_boost

Dependencies

cfg_boost has no dependencies and only use stable rust library.

Question?

See cfg_boost wiki, it contains a LOT of information.

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