Enum GreeksFilterCallback 

pub enum GreeksFilterCallback {
    Function(fn(&GreeksData) -> bool),
    Closure(Rc<dyn Fn(&GreeksData) -> bool>),
}

Cloneable wrapper for greeks filter functions.

Variants

Function(fn(&GreeksData) -> bool)

Function pointer (non-capturing closure)

Closure(Rc<dyn Fn(&GreeksData) -> bool>)

Boxed closure (may capture variables)

Implementations

impl GreeksFilterCallback

pub fn from_fn(f: fn(&GreeksData) -> bool) -> Self

Create a new filter from a function pointer.

pub fn from_closure<F>(f: F) -> Self

where F: Fn(&GreeksData) -> bool + 'static,

Create a new filter from a closure.

pub fn call(&self, data: &GreeksData) -> bool

Call the filter function.

pub fn to_greeks_filter(self) -> GreeksFilter

Convert to the original GreeksFilter type.

Trait Implementations

impl Clone for GreeksFilterCallback

fn clone(&self) -> GreeksFilterCallback

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GreeksFilterCallback

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

Formats the value using the given formatter.