#![cfg_attr(not(target_os = "windows"), allow(unused))] use proc_macro::TokenStream;use quote::quote;use syn::{parse_macro_input, LitStr}; /// This macro replaces the path separator `/` with `\` for Windows./// But if the target OS is not Windows, the path is returned as is.////// # Example/// ```rust/// # use util_macros::separator;/// let path = separator!("path/to/file");/// #[cfg(target_os = "windows")]/// assert_eq!(path, "path\\to\\file");/// #[cfg(not(target_os = "windows"))]/// assert_eq!(path, "path/to/file");/// ```#[proc_macro]pub fn separator(input: TokenStream) -> TokenStream {    let path = parse_macro_input!(input as LitStr);    let path = path.value();     #[cfg(target_os = "windows")]    let path = path.replace("/", "\\");     TokenStream::from(quote! {        #path    })} /// This macro replaces the path prefix `file:///` with `file:///C:/` for Windows./// But if the target OS is not Windows, the URI is returned as is.////// # Example/// ```rust/// use util_macros::uri;////// let uri = uri!("file:///path/to/file");/// #[cfg(target_os = "windows")]/// assert_eq!(uri, "file:///C:/path/to/file");/// #[cfg(not(target_os = "windows"))]/// assert_eq!(uri, "file:///path/to/file");/// ```#[proc_macro]pub fn uri(input: TokenStream) -> TokenStream {    let uri = parse_macro_input!(input as LitStr);    let uri = uri.value();     #[cfg(target_os = "windows")]    let uri = uri.replace("file:///", "file:///C:/");     TokenStream::from(quote! {        #uri    })}