Trait TwsNullableField 

pub trait TwsNullableField {
    // Required method
    fn to_tws_nullable_field(self) -> TwsApiResult<String>;
}

TWS field serialization used by make_field_handle_empty.

Required Methods

fn to_tws_nullable_field(self) -> TwsApiResult<String>

Converts a value into its TWS field string, with unset sentinels mapped to empty.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl TwsNullableField for f64

fn to_tws_nullable_field(self) -> TwsApiResult<String>

impl TwsNullableField for i32

fn to_tws_nullable_field(self) -> TwsApiResult<String>

impl<T> TwsNullableField for Option<T>

where T: TwsField,

fn to_tws_nullable_field(self) -> TwsApiResult<String>

Implementors