fn return_wasm_pack_file() -> Option<String> {
        if let Ok(path) = env::current_exe() {
            if let Ok(file) = fs::read_to_string(path.with_extension("stamp")) {
                return Some(file);
            }
        }
        None
    }
/// Return stamp file where metadata is stored.
Return stamp file where metadata is stored.
Return stamp file where metadata is stored .
fn return_wasm_pack_file() -> Option<String> {
        if let Ok(path) = env::current_exe() {
            if let Ok(file) = fs::read_to_string(path.with_extension("stamp")) {
                return Some(file);
            }
        }
        None
    }
fn return_wasm_pack_file ( ) -> Option < String > { if let Ok ( path ) = env :: current_exe ( ) { if let Ok ( file ) = fs :: read_to_string ( path . with_extension ( " " ) ) { return Some ( file ) ; } } None }
Return stamp file where metadata is stored.
Return stamp file where metadata is stored .