diff options
| -rw-r--r-- | src/lib.rs | 26 |
1 files changed, 3 insertions, 23 deletions
@@ -642,29 +642,9 @@ impl Uri { #[must_use = "why u no use host return value?"] pub fn host(&self) -> Option<&[u8]> { - // Here is another way to do the same thing, but with some Rust-fu. - // Credit goes to everx80, ABuffSeagull, and silen_z: - // - // self.authority - // .as_ref() - // .and_then( - // |authority| authority.host.as_deref() - // ) - // - // * First `as_ref` gets our authority from `&Option<Authority>` into - // `Option<&Authority>` (there is an implicit borrow of - // `self.authority` first). - // * Next, `and_then` basically converts `Option<&Authority>` - // into `Option<&[u8]>` by leveraging the closure we provide - // to convert `&Authority` into `Option<&[u8]>`. - // * Finally, our closure uses `as_deref` to turn our `Option<Vec<u8>>` - // into an `Option<&[u8]>` since Vec<T> implements DeRef with - // `Target=[T]` - if let Some(authority) = &self.authority { - Some(authority.host()) - } else { - None - } + self.authority + .as_ref() + .map(Authority::host) } fn is_path_absolute(path: &[Vec<u8>]) -> bool { |