Struct Constraints 

pub struct Constraints;

Builder for common constraints.

Implementations

impl Constraints

pub const fn max_len(max: usize) -> MaxLength

Create a maximum length constraint.

pub const fn min_len(min: usize) -> MinLength

Create a minimum length constraint.

pub const fn non_empty() -> NonEmpty

Create a non-empty constraint.

pub const fn ascii_only() -> AsciiOnly

Create an ASCII-only constraint.

pub fn range<T: PartialOrd + Clone>(min: Option<T>, max: Option<T>) -> Range<T>

Create a range constraint.

pub const fn custom<T, F: Fn(&T) -> bool>( validator: F, error_message: &'static str, description: &'static str, ) -> CustomValidator<T, F>

Create a custom validator.