Filter that serves a File at the
Does not filter out based on any information of the request. Always serves
the file at the exact
path provided. Thus, this can be used to serve a
single file with
GETs, but could also be used in combination with other
filters, such as after validating in
POST request, wanting to return a
specific file as the body.
For serving a directory, see dir.
// Always serves this file from the file system.
let route = warp::fs::file("/www/static/app.js");