Struct QuoteTick 

pub struct QuoteTick { /* private fields */ }

A quote tick with optional bid and ask prices.

Implementations

impl QuoteTick

pub fn new( bid: Option<MarketPrice>, ask: Option<MarketPrice>, ) -> Result<QuoteTick, TickError>

Creates a quote tick and rejects crossed bid/ask values when both sides are present.

Errors

Returns [TickError::CrossedQuote] when ask < bid.

pub fn with_timestamp( self, timestamp: impl AsRef<str>, ) -> Result<QuoteTick, TickError>

Attaches a non-empty timestamp label.

Errors

Returns [TickError::EmptyTimestamp] when the trimmed label is empty.

pub fn timestamp(&self) -> Option<&str>

Returns the optional timestamp label.

pub const fn bid(&self) -> Option<MarketPrice>

Returns the optional bid price.

pub const fn ask(&self) -> Option<MarketPrice>

Returns the optional ask price.

pub fn spread(&self) -> Option<f64>

Returns the ask-bid spread when both sides are present.

Trait Implementations

impl Clone for QuoteTick

fn clone(&self) -> QuoteTick

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QuoteTick

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

Formats the value using the given formatter.

impl PartialEq for QuoteTick

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

Tests for self and other values to be equal, and is used by ==.

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

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

impl StructuralPartialEq for QuoteTick