Struct CustomValidator 

pub struct CustomValidator<T, F>
where
    F: Fn(&T) -> bool,
{ /* private fields */ }

Constraint that validates using a custom function.

Implementations

impl<T, F> CustomValidator<T, F>

where F: Fn(&T) -> bool,

pub const fn new( validator: F, error_message: &'static str, description: &'static str, ) -> Self

Create a new custom validator.

Trait Implementations

impl<T, F> Constraint<T> for CustomValidator<T, F>

where F: Fn(&T) -> bool,

fn validate(&self, value: &T) -> ValidationResult

Validate the given value.

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

Get a description of this constraint.