Enum ValidationErrorKind 

pub enum ValidationErrorKind {
    Min,
    Max,
    MinLength,
    MaxLength,
    Pattern,
    Required,
    Custom,
    Model,
    MultipleOf,
    MinItems,
    MaxItems,
    UniqueItems,
    CreditCard,
}

The type of validation constraint that was violated.

Variants

Min

Value is below minimum

Max

Value is above maximum

MinLength

String is shorter than minimum length

MaxLength

String is longer than maximum length

Pattern

Value doesn’t match regex pattern

Required

Required field is missing/null

Custom

Custom validation failed

Model

Model-level validation failed

MultipleOf

Value is not a multiple of the specified divisor

MinItems

Collection has fewer items than minimum

MaxItems

Collection has more items than maximum

UniqueItems

Collection contains duplicate items

CreditCard

Invalid credit card number (Luhn check failed)

Trait Implementations

impl Clone for ValidationErrorKind

fn clone(&self) -> ValidationErrorKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ValidationErrorKind

impl Debug for ValidationErrorKind

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

Formats the value using the given formatter.

impl Eq for ValidationErrorKind

impl PartialEq for ValidationErrorKind

fn eq(&self, other: &ValidationErrorKind) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ValidationErrorKind