Struct Marker 

pub struct Marker;

Haystack Marker

Example

Create Marker value

use libhaystack::val::*;

let marker_value = Value::from(Marker);
assert!(marker_value.is_marker());

assert_eq!(Marker::try_from(&marker_value), Ok(Marker));

Trait Implementations

impl Clone for Marker

fn clone(&self) -> Marker

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for Marker

impl Debug for Marker

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Marker

Hayson Marker deserializer

fn deserialize<D: Deserializer<'de>>( deserializer: D, ) -> Result<Marker, D::Error>

Deserialize this value from the given Serde deserializer.

impl Eq for Marker

impl From<Marker> for Value

Converts from Marker to a Marker Value

fn from(_: Marker) -> Self

Converts to this type from the input type.

impl Hash for Marker

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 Ord for Marker

fn cmp(&self, other: &Marker) -> 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,

Restrict a value to a certain interval.

impl PartialEq for Marker

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

Equality operator ==.

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

Inequality operator !=.

impl PartialOrd for Marker

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

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

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

Tests less than (for self and other) and is used by the < operator.

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

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

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

Tests greater than (for self and other) and is used by the > operator.

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

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

impl Serialize for Marker

fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error>

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Marker

impl ToBrio for Marker

fn to_brio<W: Write>(&self, writer: &mut W) -> Result<()>

Write the Brio encoding of self into writer.

fn to_brio_vec(&self) -> Result<Vec<u8>>

Convenience: encode to a Vec<u8>.

impl ToZinc for Marker

fn to_zinc<W: Write>(&self, writer: &mut W) -> Result<()>

fn to_zinc_string(&self) -> Result<String>

Encodes this Haystack type as a Zinc string

impl TryFrom<&Value> for Marker

Tries to convert from Marker Value to a Marker

type Error = &'static str

The type returned in the event of a conversion error.

fn try_from(value: &Value) -> Result<Self, Self::Error>

Performs the conversion.