Enum ketos::function::Arity

pub enum Arity {
    Exact(u32),
    Min(u32),
    Range(u32, u32),
}

Describes the number of arguments a function may accept.

Variants

Exact(u32)

Function accepts exactly n arguments

Min(u32)

Function accepts at least n arguments

Range(u32, u32)

Function accepts an inclusive range of arguments

Methods

impl Arity

pub fn accepts(&self, n: u32) -> bool

Returns whether this arity may accept n arguments.

Trait Implementations

impl Eq for Arity

impl Copy for Arity

impl PartialEq<Arity> for Arity

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Clone for Arity

fn clone(&self) -> Arity

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Display for Arity

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

Formats the value using the given formatter.

impl Debug for Arity

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

Formats the value using the given formatter.