Trait CheckValue 

pub trait CheckValue<T> {
    // Required method
    fn check(&self, value: &T) -> Result<()>;
}

Trait for validating cache values.

This trait can be implemented to provide custom validation logic for cached values. If validation fails, the cached value will be considered invalid and a fresh value will be retrieved.

Required Methods

fn check(&self, value: &T) -> Result<()>

Validate the given value.

Returns Ok(()) if the value is valid, or Err(CachifiedError) if invalid.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl CheckValue<&str> for NonEmptyStringValidator

impl CheckValue<String> for NonEmptyStringValidator

impl<T, F> CheckValue<T> for FunctionValidator<F>

where F: Fn(&T) -> Result<()>,

impl<T> CheckValue<Option<T>> for NonNullValidator

impl<T> CheckValue<T> for NoValidator