Struct Validator 

pub struct Validator { /* private fields */ }

Accumulates FieldErrors; call finish at the end

Implementations

impl Validator

pub fn new() -> Self

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

Record an error for field

pub fn check( &mut self, condition: bool, field: &str, message: impl Into<String>, ) -> &mut Self

Record message for field unless condition holds

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

Text that is not empty after trimming

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

Length in characters (not bytes) within min..=max

pub fn range<T: PartialOrd + Display>( &mut self, field: &str, value: T, min: T, max: T, ) -> &mut Self

Value within min..=max

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

Simple e-mail shape check: one @, text on both sides, a dot in the domain, no whitespace. Deliverability is only proven by sending mail.

pub fn is_valid(&self) -> bool

pub fn finish(self) -> Result<()>

Ok(()) without errors, otherwise Error::Validation (HTTP 422)

Trait Implementations

impl Debug for Validator

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

Formats the value using the given formatter.

impl Default for Validator

fn default() -> Self

Returns the “default value” for a type.