Struct std::collections::hash_map::EntryPlace [] [src]

#[must_use = "places do nothing unless written to with `<-` syntax"]
pub struct EntryPlace<'a, K: 'a, V: 'a> { /* fields omitted */ }
🔬 This is a nightly-only experimental API. (collection_placement #30172)

struct name and placement protocol is subject to change

A place for insertion to a Entry.

See HashMap::entry for details.

Trait Implementations

impl<'a, K: 'a + Debug, V: 'a + Debug> Debug for EntryPlace<'a, K, V>
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Formats the value using the given formatter. Read more

impl<'a, K, V> Drop for EntryPlace<'a, K, V>
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Executes the destructor for this type. Read more

impl<'a, K, V> Place<V> for EntryPlace<'a, K, V>
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🔬 This is a nightly-only experimental API. (placement_new_protocol #27779)

Returns the address where the input value will be written. Note that the data at this address is generally uninitialized, and thus one should use ptr::write for initializing it. Read more

impl<'a, K, V> InPlace<V> for EntryPlace<'a, K, V>
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🔬 This is a nightly-only experimental API. (placement_new_protocol #27779)

Owner is the type of the end value of PLACE <- EXPR Read more

🔬 This is a nightly-only experimental API. (placement_new_protocol #27779)

Converts self into the final value, shifting deallocation/cleanup responsibilities (if any remain), over to the returned instance of Owner and forgetting self. Read more

Auto Trait Implementations

impl<'a, K, V> !Send for EntryPlace<'a, K, V>

impl<'a, K, V> !Sync for EntryPlace<'a, K, V>