epi::http implementation this enables all of egui platform have http download capability
rust
#[cfg(feature="http")]
let http=Arc::new( epi_http::EpiHttp{} );
// some initialization code here
loop{
let frame = FrameBuilder{
info: IntegrationInfo,
tex_allocator: &mut tex_allocator,
repaint_signal: repaint_signal.clone(),
output: &mut app_output,
#[cfg(feature="http")]
http: http.clone(),
}
}