serde_valid 0.16.0-alpha

JSON Schema based validation tool using with serde.
Documentation 
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#[derive(Clone)]
pub struct CustomMessage<E> {
    pub message_fn: fn(&E) -> String,
    #[cfg(feature = "fluent")]
    pub fluent_message: Option<crate::fluent::Message>,
}

impl<E> CustomMessage<E> {
    #[cfg(feature = "fluent")]
    pub fn into_message(self, error: E) -> crate::validation::Message<E> {
        let mut message = crate::validation::Message::new(error, self.message_fn);
        message.fluent_message = self.fluent_message;
        message
    }

    #[cfg(not(feature = "fluent"))]
    pub fn into_message(self, error: E) -> crate::validation::Message<E> {
        crate::validation::Message::new(error, self.message_fn)
    }
}