Struct NonNegative 

pub struct NonNegative;

Accepts non-negative numbers (value >= 0).

Examples

use type_lib::rules::NonNegative;
use type_lib::Validator;

assert!(NonNegative::validate(&0).is_ok());
assert!(NonNegative::validate(&-1).is_err());

Trait Implementations

impl Validator<f32> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &f32) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<f64> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &f64) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<i128> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &i128) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<i16> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &i16) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<i32> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &i32) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<i64> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &i64) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<i8> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &i8) -> Result<(), Self::Error>

Checks value against the rule.

impl Validator<isize> for NonNegative

type Error = ValidationError

The failure produced when a value violates the rule.

fn validate(value: &isize) -> Result<(), Self::Error>

Checks value against the rule.