Struct plaster_forms::fields::ValidationFn

pub struct ValidationFn<V> { /* fields omitted */ }

Methods

impl<V> ValidationFn<V>

pub fn validate(&self, i: V) -> Option<String>

Trait Implementations

impl<V: Clone> Clone for ValidationFn<V>

fn clone(&self) -> ValidationFn<V>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<V> Default for ValidationFn<V>

fn default() -> ValidationFn<V>

Returns the "default value" for a type.

impl<V, FN> From<FN> for ValidationFn<V> where
    FN: Fn(V) -> Option<String> + 'static, 

fn from(f: FN) -> ValidationFn<V>

Performs the conversion.

impl<V> PartialEq<ValidationFn<V>> for ValidationFn<V>

fn eq(&self, _other: &ValidationFn<V>) -> bool

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

#[must_use] fn ne(&self, other: &Rhs) -> bool

This method tests for !=.