Trait valid::property::HasEmptyValue

pub trait HasEmptyValue {
    fn is_empty_value(&self) -> bool;
}

The empty property of a type.

This is usually a property of some kind of container like String, Vec, HashSet or HashMap.

Required methods

fn is_empty_value(&self) -> bool

Returns whether the value is empty

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Implementations on Foreign Types

impl HasEmptyValue for String

fn is_empty_value(&self) -> bool

impl<'_> HasEmptyValue for &'_ str

fn is_empty_value(&self) -> bool

impl<T> HasEmptyValue for Vec<T>

fn is_empty_value(&self) -> bool

impl<'_, T> HasEmptyValue for &'_ [T]

fn is_empty_value(&self) -> bool

impl<T> HasEmptyValue for VecDeque<T>

fn is_empty_value(&self) -> bool

impl<T> HasEmptyValue for LinkedList<T>

fn is_empty_value(&self) -> bool

impl<T, S> HasEmptyValue for HashSet<T, S>

fn is_empty_value(&self) -> bool

impl<K, V, S> HasEmptyValue for HashMap<K, V, S>

fn is_empty_value(&self) -> bool

impl<T> HasEmptyValue for BTreeSet<T>

fn is_empty_value(&self) -> bool

impl<K, V> HasEmptyValue for BTreeMap<K, V>

fn is_empty_value(&self) -> bool

impl<T> HasEmptyValue for Option<T> where
    T: HasEmptyValue, 

fn is_empty_value(&self) -> bool

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Implementors

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