Struct MemberView 

pub struct MemberView {
    pub instrument: String,
    pub trades: u32,
    pub pnl: f64,
    pub share: Option<f64>,
    pub silent: bool,
}

What one member of a book actually contributed.

A book reports one return for several instruments, and the single most useful question about it is which of them produced that return. The panel answers the same question by running members separately; a book cannot, because the members interfere — so it has to be read out of the ledger.

Fields

instrument: String

trades: u32

pnl: f64

Realised profit, net of what the venue charged.

share: Option<f64>

This member’s share of the book’s total realised profit.

None when the book realised nothing at all, rather than a share of zero — which would read as a measurement.

silent: bool

True when the member never opened a position.

The failure mode a shared account introduces: an instrument that was asked for, funded by nothing, and silently absent from every number.

Implementations

impl MemberView

pub fn share(&self) -> f64

Returns the value of share, or the default value if share is unset.

Trait Implementations

impl Clone for MemberView

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MemberView

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

Formats the value using the given formatter.

impl Default for MemberView

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for MemberView

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Message for MemberView

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited( &self, buf: &mut impl BufMut, ) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for MemberView

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for MemberView

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 MemberView