Trait Validator

pub trait Validator: Send + Sync {
    // Required method
    fn check(&self, field_name: &str, value: &str) -> Result<(), String>;
}

Expand description

One validator’s verdict.

Required Methods§

Check the value. field_name is included for the error message. Return Ok(()) to accept, Err(message) to reject.

This trait is dyn compatible.

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