Enum PutModeClass 

pub enum PutModeClass {
    Overwrite,
    CreateIfAbsent,
    CompareAndSwap,
}

Classifies the precondition semantics requested by a put.

Variants

Overwrite

Indicates an unconditional replacement.

CreateIfAbsent

Indicates creation only while the key is absent.

CompareAndSwap

Indicates replacement only while an opaque compare token matches.

Trait Implementations

impl Clone for PutModeClass

fn clone(&self) -> PutModeClass

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PutModeClass

impl Debug for PutModeClass

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PutModeClass

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for PutModeClass

impl PartialEq for PutModeClass

fn eq(&self, other: &PutModeClass) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for PutModeClass

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PutModeClass