pub fn request_ref<T>(provider: &'a impl Provider) -> Option<&'a T>where T: 'static + ?Sized,
provide_any
Request a reference from the Provider.
Provider
Get a string reference from a provider.
use std::any::{Provider, request_ref}; fn get_str(provider: &impl Provider) -> &str { request_ref::<str>(provider).unwrap() }