use std::fs;use std::path::PathBuf; use anyhow::Result;use gpui::{    div, prelude::*, px, rgb, size, svg, App, Application, AssetSource, Bounds, Context,    SharedString, Window, WindowBounds, WindowOptions,}; struct Assets {    base: PathBuf,} impl AssetSource for Assets {    fn load(&self, path: &str) -> Result<Option<std::borrow::Cow<'static, [u8]>>> {        fs::read(self.base.join(path))            .map(|data| Some(std::borrow::Cow::Owned(data)))            .map_err(|err| err.into())    }     fn list(&self, path: &str) -> Result<Vec<SharedString>> {        fs::read_dir(self.base.join(path))            .map(|entries| {                entries                    .filter_map(|entry| {                        entry                            .ok()                            .and_then(|entry| entry.file_name().into_string().ok())                            .map(SharedString::from)                    })                    .collect()            })            .map_err(|err| err.into())    }} struct SvgExample; impl Render for SvgExample {    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {        div()            .flex()            .flex_row()            .size_full()            .justify_center()            .items_center()            .gap_8()            .bg(rgb(0xffffff))            .child(                svg()                    .path("svg/dragon.svg")                    .size_8()                    .text_color(rgb(0xff0000)),            )            .child(                svg()                    .path("svg/dragon.svg")                    .size_8()                    .text_color(rgb(0x00ff00)),            )            .child(                svg()                    .path("svg/dragon.svg")                    .size_8()                    .text_color(rgb(0x0000ff)),            )    }} fn main() {    Application::new()        .with_assets(Assets {            base: PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("examples"),        })        .run(|cx: &mut App| {            let bounds = Bounds::centered(None, size(px(300.0), px(300.0)), cx);            cx.open_window(                WindowOptions {                    window_bounds: Some(WindowBounds::Windowed(bounds)),                    ..Default::default()                },                |_, cx| cx.new(|_| SvgExample),            )            .unwrap();            cx.activate(true);        });}