Struct Predicate 

pub struct Predicate<'a> {
    pub name: QueryStr,
    /* private fields */
}

Fields

name: QueryStr

Implementations

impl<'a> Predicate<'a>

pub fn name(&self) -> &str

pub fn check_arg_count(&self, n: usize) -> Result<(), InvalidPredicateError>

pub fn check_min_arg_count(&self, n: usize) -> Result<(), InvalidPredicateError>

pub fn check_max_arg_count(&self, n: usize) -> Result<(), InvalidPredicateError>

pub fn query_str_arg(&self, i: usize) -> Result<QueryStr, InvalidPredicateError>

pub fn str_arg(&self, i: usize) -> Result<&str, InvalidPredicateError>

pub fn num_args(&self) -> usize

pub fn capture_arg(&self, i: usize) -> Result<Capture, InvalidPredicateError>

pub fn arg(&self, i: usize) -> PredicateArg

pub fn args(&self) -> impl Iterator<Item = PredicateArg> + '_

Trait Implementations

impl<'a> Clone for Predicate<'a>

fn clone(&self) -> Predicate<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for Predicate<'a>

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

Formats the value using the given formatter.

impl<'a> Copy for Predicate<'a>