[][src]Struct fui::validators::Required

pub struct Required;

Ensures data is included.

Examples

use fui::validators::Required;
use fui::validators::Validator;

assert_eq!(Required.validate("some-data"), None);
assert_eq!(Required.validate(""), Some("Field is required".to_string()));

Trait Implementations

impl Validator for Required[src]

impl Clone for Required[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for Required[src]

Auto Trait Implementations

Blanket Implementations

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone
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type Owned = T

The resulting type after obtaining ownership.

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> With for T[src]

fn with<F>(self, f: F) -> Self where
    F: FnOnce(&mut Self), 
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Calls the given closure on self.

fn try_with<E, F>(self, f: F) -> Result<Self, E> where
    F: FnOnce(&mut Self) -> Result<(), E>, 
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Calls the given closure on self.

fn with_if<F>(self, condition: bool, f: F) -> Self where
    F: FnOnce(&mut Self), 
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Calls the given closure if condition == true.

impl<T> Erased for T