// For embedding application icons, in Windows. use std::{env, io}; use winresource::WindowsResource; fn main() -> io::Result<()> { if env::var_os("CARGO_CFG_WINDOWS").is_some() { WindowsResource::new() // This path can be absolute, or relative to your crate root. .set_icon("src/resources/icon.ico") .compile()?; } Ok(()) }