Struct jmespatch::functions::Signature

pub struct Signature {
    pub inputs: Vec<ArgumentType>,
    pub variadic: Option<ArgumentType>,
}

Represents a function's signature.

Fields

inputs: Vec<ArgumentType>

variadic: Option<ArgumentType>

Methods

impl Signature

pub fn new(
    inputs: Vec<ArgumentType>,
    variadic: Option<ArgumentType>
) -> Signature

Creates a new Signature struct.

pub fn validate_arity(
    &self,
    actual: usize,
    ctx: &Context
) -> Result<(), JmespathError>

Validates the arity of a function. If the arity is invalid, a runtime error is returned with the relative position of the error and the expression that was being executed.

pub fn validate(
    &self,
    args: &[Rcvar],
    ctx: &Context
) -> Result<(), JmespathError>

Validates the provided function arguments against the signature.

Trait Implementations

impl Clone for Signature

fn clone(&self) -> Signature

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Signature

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

Formats the value using the given formatter.

impl Eq for Signature

impl PartialEq<Signature> for Signature

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

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

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

This method tests for !=.

impl StructuralEq for Signature

impl StructuralPartialEq for Signature