Trait async_graphql::CustomValidator

pub trait CustomValidator<T: InputType> {
    fn check(&self, value: &T) -> Result<(), String>;
}

Represents a custom input value validator.

Required Methods

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

Check the value is valid.

Implementors

impl<T, F, E> CustomValidator<T> for Fwhere
    T: InputType,
    E: Into<String>,
    F: Fn(&T) -> Result<(), E>,