Struct linera_base::data_types::Timestamp

pub struct Timestamp(/* private fields */);

A timestamp, in microseconds since the Unix epoch.

Implementations

impl Timestamp

pub fn now() -> Timestamp

Returns the current time according to the system clock.

pub fn micros(&self) -> u64

Returns the number of microseconds since the Unix epoch.

pub fn delta_since(&self, other: Timestamp) -> TimeDelta

Returns the TimeDelta between other and self, or zero if other is not earlier than self.

pub fn duration_since(&self, other: Timestamp) -> Duration

Returns the Duration between other and self, or zero if other is not earlier than self.

pub fn saturating_add(&self, duration: TimeDelta) -> Timestamp

Returns the timestamp that is duration later than self.

pub fn saturating_sub(&self, duration: TimeDelta) -> Timestamp

Returns the timestamp that is duration earlier than self.

pub fn saturating_add_micros(&self, micros: u64) -> Timestamp

Returns a timestamp micros microseconds later than self, or the highest possible value if it would overflow.

pub fn saturating_sub_micros(&self, micros: u64) -> Timestamp

Returns a timestamp micros microseconds earlier than self, or the lowest possible value if it would underflow.

Trait Implementations

impl Clone for Timestamp

fn clone(&self) -> Timestamp

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Timestamp

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

Formats the value using the given formatter.

impl Default for Timestamp

fn default() -> Timestamp

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Timestamp

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Timestamp

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

Formats the value using the given formatter.

impl From<u64> for Timestamp

fn from(t: u64) -> Timestamp

Converts to this type from the input type.

impl Hash for Timestamp

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl InputType for Timestamp

type RawValueType = Timestamp

The raw type used for validator.

fn type_name() -> Cow<'static, str>

Type the name.

fn create_type_info(registry: &mut Registry) -> String

Create type information in the registry and return qualified typename.

fn parse(value: Option<Value>) -> InputValueResult<Self>

Parse from Value. None represents undefined.

fn to_value(&self) -> Value

Convert to a Value for introspection.

fn as_raw_value(&self) -> Option<&Self::RawValueType>

Returns a reference to the raw value.

fn qualified_type_name() -> String

Qualified typename.

impl Ord for Timestamp

fn cmp(&self, other: &Timestamp) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl OutputType for Timestamp

fn type_name() -> Cow<'static, str>

Type the name.

fn create_type_info(registry: &mut Registry) -> String

Create type information in the registry and return qualified typename.

async fn resolve( &self, _: &ContextSelectionSet<'_>, _field: &Positioned<Field>, ) -> ServerResult<Value>

Resolve an output value to async_graphql::Value.

fn qualified_type_name() -> String

Qualified typename.

fn introspection_type_name(&self) -> Cow<'static, str>

Introspection type name

impl PartialEq for Timestamp

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for Timestamp

fn partial_cmp(&self, other: &Timestamp) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl ScalarType for Timestamp

fn parse(value: Value) -> InputValueResult<Self>

Parse a scalar value.

fn to_value(&self) -> Value

Convert the scalar to Value.

fn is_valid(_value: &ConstValue) -> bool

Checks for a valid scalar value.

impl Serialize for Timestamp

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl WitLoad for Timestamp

fn load<Instance>( memory: &Memory<'_, Instance>, location: GuestPointer, ) -> Result<Self, RuntimeError>

where Instance: InstanceWithMemory, <Instance::Runtime as Runtime>::Memory: RuntimeMemory<Instance>,

Loads an instance of the type from the location in the guest’s memory.

fn lift_from<Instance>( flat_layout: <Self::Layout as Layout>::Flat, memory: &Memory<'_, Instance>, ) -> Result<Self, RuntimeError>

where Instance: InstanceWithMemory, <Instance::Runtime as Runtime>::Memory: RuntimeMemory<Instance>,

Lifts an instance of the type from the flat_layout representation.

impl WitStore for Timestamp

fn store<Instance>( &self, memory: &mut Memory<'_, Instance>, location: GuestPointer, ) -> Result<(), RuntimeError>

where Instance: InstanceWithMemory, <Instance::Runtime as Runtime>::Memory: RuntimeMemory<Instance>,

Stores the type at the location in the guest’s memory.

fn lower<Instance>( &self, memory: &mut Memory<'_, Instance>, ) -> Result<<Self::Layout as Layout>::Flat, RuntimeError>

where Instance: InstanceWithMemory, <Instance::Runtime as Runtime>::Memory: RuntimeMemory<Instance>,

Lowers the type into its flat layout representation.

impl WitType for Timestamp

const SIZE: u32 = 8u32

The size of the type when laid out in memory.

type Layout = <HCons<u64, HNil> as WitType>::Layout

The layout of the type as fundamental types.

type Dependencies = HCons<u64, HNil>

Other WitTypes that this type depends on.

fn wit_type_name() -> Cow<'static, str>

Generates the WIT type name for this type.

fn wit_type_declaration() -> Cow<'static, str>

Generates the WIT type declaration for this type.

impl Copy for Timestamp

impl Eq for Timestamp

impl StructuralPartialEq for Timestamp