Struct NumericValidator

pub struct NumericValidator {
    pub min: Option<f64>,
    pub max: Option<f64>,
    pub integer_only: bool,
    pub positive_only: bool,
    pub negative_only: bool,
    pub message: Option<String>,
}

Validator for numeric constraints

Fields

min: Option<f64>

Minimum value (inclusive)

max: Option<f64>

Maximum value (inclusive)

integer_only: bool

Allow only integers (no decimals)

positive_only: bool

Allow only positive numbers (> 0)

negative_only: bool

Allow only negative numbers (< 0)

message: Option<String>

Custom error message

Implementations

impl NumericValidator

pub fn new() -> Self

Create a new numeric validator with default settings

pub fn min(self, min: f64) -> Self

Set minimum value constraint

pub fn max(self, max: f64) -> Self

Set maximum value constraint

pub fn range(self, min: f64, max: f64) -> Self

Set value range (min and max)

pub fn integer_only(self, integer_only: bool) -> Self

Require integer values only (no decimals)

pub fn positive_only(self, positive_only: bool) -> Self

Allow only positive numbers (> 0)

pub fn negative_only(self, negative_only: bool) -> Self

Allow only negative numbers (< 0)

pub fn message(self, message: impl Into<String>) -> Self

Set custom error message

Trait Implementations

impl Clone for NumericValidator

fn clone(&self) -> NumericValidator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NumericValidator

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

Formats the value using the given formatter.

impl Default for NumericValidator

fn default() -> Self

Returns the “default value” for a type.

impl ValidationRule for NumericValidator

fn validate<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, value: &'life1 Value, field: &'life2 str, ) -> Pin<Box<dyn Future<Output = ValidationResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Validate a single value

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

Get the validation rule name/type

fn parameters(&self) -> Option<Value>

Get validation rule parameters/configuration as JSON