biscuit 0.8.0

A library to work with Javascript Object Signing and Encryption(JOSE), including JSON Web Tokens (JWT), JSON Web Signature (JWS) and JSON Web Encryption (JWE).
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#[derive(Debug, Eq, PartialEq, Clone, Copy)]
/// Defines whether a claim is validated or not
///
/// The generic type T is used as the "options" for validating claims and is
/// specific to each claim being validated. Refer to [`crate::ValidationOptions`]
/// for the specifics of each claim.
#[derive(Default)]
pub enum Validation<T> {
    /// This claim is not validated
    #[default]
    Ignored,

    /// Validate this claim with type T.
    /// Refer to [`crate::ValidationOptions`] for the specifics of each claim.
    Validate(T),
}

impl<T> Validation<T> {
    /// Map the value to another validation requirement, similar to how .map works on iter()
    pub fn map<U, F>(self, f: F) -> Validation<U>
    where
        F: FnOnce(T) -> U,
    {
        match self {
            Validation::Ignored => Validation::Ignored,
            Validation::Validate(t) => Validation::Validate(f(t)),
        }
    }
}