Struct Validator 

pub struct Validator { /* private fields */ }

Validator for collecting and running multiple validation rules.

Implementations

impl Validator

pub fn new() -> Self

Create a new validator.

pub fn context(&self) -> &ValidationContext

Get current validation context.

pub fn context_mut(&mut self) -> &mut ValidationContext

Get mutable validation context.

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

Add an error for a field.

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

Add error if condition is true.

pub fn validate_field<T, R>(&mut self, field: &str, value: &T, rule: &R)

where R: ValidationRule<T>,

Validate a value with a rule.

pub fn require_non_empty(&mut self, field: &str, value: &str)

Validate a required string field is not empty.

pub fn require_positive<T: PartialOrd + Default + Display>( &mut self, field: &str, value: T, )

Validate a numeric value is positive.

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

Validate a value is in a range.

pub fn validate_nested<F>(&mut self, field: &str, f: F)

where F: FnOnce(&mut Self),

Validate with a nested context.

pub fn has_errors(&self) -> bool

Check if there are any errors.

pub fn errors(&self) -> &ValidationErrors

Get the collected errors.

pub fn into_errors(self) -> ValidationErrors

Consume and return the errors.

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

Convert to Result.

pub fn merge(&mut self, other: Validator)

Merge errors from another validator.

Trait Implementations

impl Default for Validator

fn default() -> Validator

Returns the “default value” for a type.