Function core::any::request_ref

pub fn request_ref<'a, T>(
    provider: &'a (impl Provider + ?Sized)
) -> Option<&'a T>where
    T: 'static + ?Sized,

🔬This is a nightly-only experimental API. (provide_any #96024)

Request a reference from the Provider.

Examples

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()
}