Struct predicates::str::IsEmptyPredicate

pub struct IsEmptyPredicate {}

Predicate that checks for empty strings.

This is created by predicates::str::is_empty.

Trait Implementations

impl Copy for IsEmptyPredicate

impl Clone for IsEmptyPredicate

fn clone(&self) -> IsEmptyPredicate

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for IsEmptyPredicate

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Predicate<str> for IsEmptyPredicate

fn eval(&self, variable: &str) -> bool

Execute this Predicate against variable, returning the resulting boolean.

impl Display for IsEmptyPredicate

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

Formats the value using the given formatter.