Struct MaxLength 

pub struct MaxLength { /* private fields */ }

Maximum length constraint for strings and collections.

Implementations

impl MaxLength

pub const fn new(max: usize) -> Self

Create a new maximum length constraint.

Trait Implementations

impl Clone for MaxLength

fn clone(&self) -> MaxLength

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<T> Constraint<[T]> for MaxLength

fn validate(&self, value: &[T]) -> ValidationResult

Validate the given value.

fn description(&self) -> &'static str

Get a description of this constraint.

impl Constraint<String> for MaxLength

Available on crate feature alloc only.

fn validate(&self, value: &String) -> ValidationResult

Validate the given value.

fn description(&self) -> &'static str

Get a description of this constraint.

impl<T> Constraint<Vec<T>> for MaxLength

Available on crate feature alloc only.

fn validate(&self, value: &Vec<T>) -> ValidationResult

Validate the given value.

fn description(&self) -> &'static str

Get a description of this constraint.

impl Constraint<str> for MaxLength

fn validate(&self, value: &str) -> ValidationResult

Validate the given value.

fn description(&self) -> &'static str

Get a description of this constraint.

impl Debug for MaxLength

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

Formats the value using the given formatter.

impl Copy for MaxLength