user_startup/utils/mod.rs
#[cfg(target_os = "linux")]
mod linux;
#[cfg(target_os = "macos")]
mod macos;
#[cfg(target_os = "windows")]
mod windows;
#[cfg(target_os = "linux")]
pub use linux::*;
#[cfg(target_os = "macos")]
pub use macos::*;
#[cfg(target_os = "windows")]
pub use windows::*;
// mod linux;
// mod macos;
// mod windows;