bbecs_tutorial 1.0.3

An ECS library made for a tutorial.
Documentation 
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use thiserror::Error;

#[derive(Debug, Error)]
pub enum CustomErrors {
    #[error("Attempting to add component to an entity without calling create component first")]
    CreateComponentNeverCalled,
    #[error("attempting to reference a component that wasn't registered")]
    ComponentNotRegistered,
    #[error("attempting to reference an entity that doesn't exist")]
    EntityDoesNotExist,
    #[error("attempting to get component data that does not exist")]
    ComponentDataDoesNotExist,
    #[error("attempting to downcast to the wrong type")]
    DowncastToWrongType,
}