Struct std::collections::hash_map::RawEntryBuilder
source · pub struct RawEntryBuilder<'a, K: 'a, V: 'a, S: 'a> { /* private fields */ }
🔬This is a nightly-only experimental API. (
hash_raw_entry
#56167)Expand description
一个用于计算 HashMap 中的键值对将存储在哪里的构建器。
有关用法示例,请参见 HashMap::raw_entry
文档。
Implementations§
source§impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>where
S: BuildHasher,
impl<'a, K, V, S> RawEntryBuilder<'a, K, V, S>where S: BuildHasher,
sourcepub fn from_key<Q>(self, k: &Q) -> Option<(&'a K, &'a V)>where
K: Borrow<Q>,
Q: Hash + Eq + ?Sized,
🔬This is a nightly-only experimental API. (hash_raw_entry
#56167)
pub fn from_key<Q>(self, k: &Q) -> Option<(&'a K, &'a V)>where K: Borrow<Q>, Q: Hash + Eq + ?Sized,
hash_raw_entry
#56167)通过键访问条目。