Method not_op

crates/gitql-core/src/values/boolean.rs:286–288

(&self)

    }

    fn not_op(&self) -> Result<Box<dyn Value>, String> {
        Ok(Box::new(BoolValue::new(!self.value)))
    }

    fn cast_op(&self, target_type: &Box<dyn DataType>) -> Result<Box<dyn Value>, String> {
        // Cast to Int Type