昨日 (2024-01-08) の impl TryFrom<T> for T の Error = Infallible https://doc.rust-lang.org/std/convert/trait.TryFrom.html#impl-TryFrom%3CU%3E-for-T の件は、 crates:http の http::uri::Builder https://docs.rs/http/1.0.0/http/uri/struct.Builder.</t>…