OccupiedError in std::collections::hash_map - Rust (original) (raw)
Struct OccupiedError
pub struct OccupiedError<'a, K: 'a, V: 'a> {
pub entry: OccupiedEntry<'a, K, V>,
pub value: V,
}🔬This is a nightly-only experimental API. (map_try_insert #82766)
Expand description
The error returned by try_insert when the key already exists.
Contains the occupied entry, and the value that was not inserted.
🔬This is a nightly-only experimental API. (map_try_insert #82766)
The entry in the map that was already occupied.
🔬This is a nightly-only experimental API. (map_try_insert #82766)
The value which was not inserted, because the entry was already occupied.
👎Deprecated since 1.42.0: use the Display impl or to_string()
Returns the lower-level source of this error, if any. Read more
👎Deprecated since 1.33.0: replaced by Error::source, which can support downcasting
🔬This is a nightly-only experimental API. (error_generic_member_access #99301)
Provides type-based access to context intended for error reports. Read more