Interface Value

crates/gitql-core/src/values/base.rs:26–341

The in memory representation of the Values in the GitQL query engine

/// The in memory representation of the Values in the GitQL query engine
pub trait Value: DynClone {
    /// Return the literal representation for this [`Value`]
    fn literal(&self) -> String;

    /// Return if other [`Value`] is equal or not to current value
    #[allow(clippy::borrowed_box)]
    fn equals(&self, other: &Box<dyn Value>) -> bool;

    /// Return the order between [`Value`] and the current value,
    /// or None if they can't be ordered
    #[allow(clippy::borrowed_box)]
    fn compare(&self, other: &Box<dyn Value>) -> Option<Ordering>;

    /// Return the [`DataType`] for the current [`Value`]
    fn data_type(&self) -> Box<dyn DataType>;

    /// Return the current value as dynamic [`Any`]
    fn as_any(&self) -> &dyn Any;

    /// Perform unary `=` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn add_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {
        Err("Unsupported operator for this type".to_string())
    }

    /// Perform unary `-` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn sub_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {
        Err("Unsupported operator for this type".to_string())
    }

    /// Perform unary `*` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn mul_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {
        Err("Unsupported operator for this type".to_string())
    }

    /// Perform unary `/` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn div_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {
        Err("Unsupported operator for this type".to_string())
    }

    /// Perform unary `%` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn rem_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {
        Err("Unsupported operator for this type".to_string())
    }

    /// Perform unary `^` operator and return new [`Value`] represent the result or Exception message as [`String`]
    #[allow(unused_variables)]
    #[allow(clippy::borrowed_box)]
    fn caret_op(&self, other: &Box<dyn Value>) -> Result<Box<dyn Value>, String> {