Struct Errors 

pub struct Errors { /* private fields */ }

A collection of (field, message) validation errors (Rails model.errors).

Implementations

impl Errors

pub fn new() -> Self

pub fn add( &mut self, field: impl Into<String>, message: impl Into<String>, ) -> &mut Self

Add a raw error message for field.

pub fn is_empty(&self) -> bool

Whether there are no errors (the record is valid).

pub fn len(&self) -> usize

The number of errors.

pub fn on(&self, field: &str) -> Vec<&str>

The messages recorded for a specific field.

pub fn full_messages(&self) -> Vec<String>

Human-readable "field message" strings for every error.

pub fn presence(&mut self, field: &str, value: &str) -> &mut Self

Require a non-blank string (Rails validates :field, presence: true).

pub fn length( &mut self, field: &str, value: &str, min: Option<usize>, max: Option<usize>, ) -> &mut Self

Constrain a string’s character length (Rails length: { minimum:, maximum: }).

Trait Implementations

impl Clone for Errors

fn clone(&self) -> Errors

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Errors

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

Formats the value using the given formatter.

impl Default for Errors

fn default() -> Errors

Returns the “default value” for a type.