Struct std::collections::hash::map::OccupiedError[][src]

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.

Fields

entry: OccupiedEntry<'a, K, V>
🔬 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

🔬 This is a nightly-only experimental API. (backtrace #53487)

Returns a stack backtrace, if available, of where this error occurred. Read more

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

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

Performs the conversion.

Performs the conversion.

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.