pub struct OccupiedError<'a, K, V, A = Global>where
    K: 'a,
    V: 'a,
    A: Allocator + Clone,
{ pub entry: OccupiedEntry<'a, K, V, A>, 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.

Fields

entry: OccupiedEntry<'a, K, V, A>
🔬This is a nightly-only experimental API. (map_try_insert #82766)

The entry in the map that was already occupied.

value: V
🔬This is a nightly-only experimental API. (map_try_insert #82766)

The value which was not inserted, because the entry was already occupied.

Trait Implementations

Formats the value using the given formatter. Read more

Formats the value using the given formatter. Read more

👎Deprecated since 1.42.0:

use the Display impl or to_string()

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

Auto Trait Implementations

Blanket Implementations

Gets the TypeId of self. Read more

Immutably borrows from an owned value. Read more

Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

Data providers should implement this method to provide all values they are able to provide by using demand. Read more

Converts the given value to a String. Read more

The type returned in the event of a conversion error.

Performs the conversion.

The type returned in the event of a conversion error.

Performs the conversion.