Struct calc_lib::Functions

pub struct Functions<'a> { /* private fields */ }

A list of definitions of functions to pass into the interpreter to solve for the variables.

Implementations

impl<'a> Functions<'a>

pub fn new() -> Self

pub fn register<S: Into<String>, F: Fn(Vec<Number>) -> Result<Number, Error> + 'a + Copy>(
    &mut self,
    name: S,
    f: F
)

pub fn get<S: Into<String>>(
    &self,
    ident: S
) -> Option<&Box<dyn Fn(Vec<Number>) -> Result<Number, Error> + 'a>>

Trait Implementations

impl Default for Functions<'_>

fn default() -> Self

Returns the “default value” for a type.